Speculation and Deduction: abairtí, cleachtaí, tástálacha agus samplaí

Speculation and Deduction úsáidimid

Úsáidtear Tuairimíocht agus Tátal nuair a dhéanaimid tuairimíocht agus nuair a bhainimid tátail as an méid atá ar eolas againn, a fheicimid, nó a chloisimid. Le briathra módacha, is féidir linn a rá go bhfuilimid beagnach cinnte, go bhfuil rud éigin indéanta, go bhfuil rud éigin dodhéanta, nó go bhfuilimid ag súil le rud éigin.

She looks exhausted. She must be working too hard.
Tá cuma traochta uirthi. Caithfidh sí a bheith ag obair róchrua.
He may have missed the train.
Seans gur chaill sé an traein.
They can’t be at home. All the lights are off.
Ní féidir leo a bheith sa bhaile. Tá na soilse go léir múchta.
The parcel should arrive tomorrow.
Ba cheart go dtiocfadh an beartán amárach.

Speculation and Deduction Fhoirm

Sa topaic seo, is minic a úsáidimid briathra modha éagsúla ag brath ar an leibhéal cinnteachta agus ar cibé an bhfuilimid ag caint faoin láthair, faoi phróiseas leanúnach, nó faoin am atá caite. Le haghaidh gnímh chríochnaithe san am atá caite, úsáidimid have + V3 de ghnáth, agus le haghaidh próisis atá ag tarlú timpeall anois, úsáidimid be + Ving.

must + V1 / be + Ving
may / might / could + V1 / be + Ving
can’t + V1 / be + Ving
must / may / might / could / can’t / couldn’t + have + V3
should / ought to + V1
should / ought to + have + V3

She must know the answer.
Caithfidh sí an freagra a bheith ar eolas aici.
They might be waiting outside.
B’fhéidir go bhfuil siad ag fanacht amuigh.
He can’t have forgotten your birthday.
Ní féidir gur dhearmad sé do bhreithlá.
The meeting should start soon.
Ba chóir go dtosódh an cruinniú go luath.

Speculation and Deduction Riail

  • Úsáidtear must le haghaidh tátal láidir: táimid beagnach cinnte go bhfuil rud éigin fíor. Ní fíric 100% é, ach is conclúid an-mhuiníneach í.
    She has been studying all day. She must be tired.
    Tá sí ag staidéar an lá ar fad. Caithfidh sí a bheith tuirseach.
    Kate doesn’t have her car today. She must have rented one.
    Níl a carr ag Kate inniu. Caithfidh gur thóg sí ceann ar cíos.
  • Úsáidtear may, might, agus could nuair atá rud éigin féideartha, ach níl muid cinnte. De ghnáth, bíonn may agus might an-chosúil ó thaobh brí de, agus is minic a chuireann could féidearthacht in iúl freisin.
    The noise may be coming from the neighbours.
    D’fhéadfadh an torann a bheith ag teacht ó na comharsana.
    He might have left already.
    B’fhéidir go bhfuil sé imithe cheana féin.
  • Úsáidtear can’t agus couldn’t nuair a cheapaimid go bhfuil rud éigin dodhéanta nó nuair a léirímid amhras láidir nó iontas.
    You can’t be serious!
    Ní féidir leat a bheith dáiríre!
    Hannah couldn’t have said that. It doesn’t sound like her.
    Ní fhéadfadh Hannah é sin a rá. Ní cosúil léi é sin.
  • Má labhraímid faoi rud éigin atá ag tarlú anois mar phróiseas, is minic a úsáidimid be + Ving i ndiaidh an bhriathair mhódúil.
    Amanda might be doing the washing up.
    B’fhéidir go mbeadh Amanda ag déanamh na miasa.
    He must be talking to the manager right now.
    Caithfidh sé a bheith ag caint leis an mbainisteoir faoi láthair.
  • Má thagraíonn an tátal do ghníomh a cuireadh i gcrích san am atá thart, is gnách dúinn have + V3 a úsáid.
    ✅ She must have forgotten the keys.
    ✅ They might have taken a taxi.
    ✅ He can’t have seen the message.
  • Is minic a chuireann should agus ought to sa topaic seo ionchas in iúl: ceapaimid gur dócha go bhfuil rud éigin fíor nó go rabhthas ag súil go dtarlódh sé.
    The train should be here by now.
    Ba cheart go mbeadh an traein anseo faoin am seo.
    They should have told him about the change.
    Ba cheart dóibh a bheith tar éis insint dó faoin athrú.
  • Maidir le féidearthacht dhiúltach lag, úsáidimid may not agus might not. De ghnáth cuireann an fhoirm couldn’t dodhéantacht in iúl, ní hamháin féidearthacht níos laige.
    ✅ There might not be enough food for everyone.
    ❌ There couldn’t be enough food for everyone. (if you only mean “maybe not”)
  • Seachas briathra módacha, is féidir tuairimíocht a chur in iúl freisin le focail eile: is dócha go, ní dócha go, is cinnte go, is dócha, agus cinnte.
    She is likely to forget about the meeting.
    Is dócha go ndéanfaidh sí dearmad ar an gcruinniú.
    That mistake was bound to happen sooner or later.
    Bhí sé dosheachanta go dtarlódh an botún sin luath nó mall.

Speculation and Deduction Diúltú

Sa topaic seo, braitheann foirmeacha diúltacha ar an gciall. May not / might not = is féidir nach bhfuil rud éigin fíor. Can’t / couldn’t = tá sé dodhéanta. Shouldn’t is féidir leis ionchas a chur in iúl gur dócha nach bhfuil rud éigin ceart.

may not / might not + V1
can’t + V1 / be + Ving
can’t / couldn’t + have + V3
shouldn’t + V1 / have + V3

He may not know the address.
B'fhéidir nach bhfuil an seoladh ar eolas aige.
They can’t be waiting outside in this weather.
Ní féidir leo a bheith ag fanacht amuigh sa aimsir seo.
She couldn’t have taken your bag by mistake.
Ní fhéadfadh sí do mhála a thógáil de dhearmad.
The repair shouldn’t take much longer.
Níor chóir go dtógfadh an deisiú i bhfad níos faide.

Speculation and Deduction Ceisteanna

I gceisteanna faoi thuairimíocht, is minic a úsáidimid could, might, should, agus struchtúir cosúil le Do you think ...? Tá ceisteanna díreacha le must indéanta, ach is minic a chloiseann siad níos mothúchánaí nó níos lú neodrach.

Could / Might + subject + V1 / be + Ving?
Wh-word + might / could + subject + have + V3?
Should + subject + V1?
Do you think + subject + might / could + V1?

Could she be sleeping?
An bhféadfadh sí a bheith ina codladh?
What might have happened here?
Cad é a d’fhéadfadh a bheith tar éis tarlú anseo?
Should they be here by now?
Ar cheart dóibh a bheith anseo faoin am seo?
Do you think he could have missed the email?
An gceapann tú go bhféadfadh sé gur chaill sé an ríomhphost?

Speculation and Deduction Botúin choitianta

❌ She must to be tired.
✅ She must be tired.
❌ He must has left.
✅ He must have left.
❌ They can’t have went home.
✅ They can’t have gone home.
❌ She mights be busy.
✅ She might be busy.
❌ He mustn’t have forgotten the meeting. (if you mean “that is impossible”)
✅ He can’t have forgotten the meeting.
❌ They should came by now.
✅ They should have come by now.

Speculation and Deduction Abairtí

She isn’t answering. She might be having a meeting.
Níl sí ag freagairt. B’fhéidir go bhfuil sí i gcruinniú.
Look at those wet umbrellas. It must have rained.
Féach ar na scáthanna fearthainne fliucha sin. Caithfidh sé gur chuir sé báisteach.
This key can’t be the right one.
Ní féidir gurb í an eochair seo an ceann ceart.
They may have taken the earlier bus.
B’fhéidir gur thóg siad an bus níos luaithe.
The children are quiet. They must be sleeping.
Tá na páistí ciúin. Caithfidh siad a bheith ina gcodladh.
He could be working from home today.
D’fhéadfadh sé a bheith ag obair ón mbaile inniu.
The guests should arrive around eight.
Ba chóir do na haíonna teacht timpeall a hocht.
You can’t have seen Anna there. She is abroad.
Ní fhéadfá Anna a fheiceáil ansiúd. Tá sí thar lear.
There might not be enough chairs for everyone.
B’fhéidir nach mbeidh go leor cathaoireacha ann do chách.
Do you think he might know the answer?
An gceapann tú go mb’fhéidir go bhfuil an freagra ar eolas aige?

Speculation and Deduction Samplaí

The office is dark, so they must have left already.
Tá an oifig dorcha, mar sin is dócha go bhfuil siad imithe cheana féin.
Sarah might be waiting for us downstairs.
Seans go bhfuil Sarah ag fanacht linn thíos staighre.
That sound could be coming from the kitchen.
D’fhéadfadh an fhuaim sin a bheith ag teacht ón gcistin.
He can’t be the new intern. He looks much older.
Ní fhéadfadh sé a bheith ina intéirneach nua. Tá cuma i bhfad níos sine air.
The flight should land in about twenty minutes.
Ba chóir don eitilt teacht i dtír i gceann timpeall fiche nóiméad.
She may not have understood what you meant.
B’fhéidir nár thuig sí cad a bhí i gceist agat.
They could have forgotten to lock the door.
D’fhéadfadh sé gur dhearmad siad an doras a chur faoi ghlas.
It is unlikely to snow here in April.
Ní dócha go mbeidh sneachta anseo i mí Aibreáin.
This problem was bound to happen after the update.
Bhí an fhadhb seo dosheachanta tar éis an nuashonraithe.
Could he still be driving home?
An bhféadfadh sé a bheith fós ag tiomáint abhaile?

Cleachtaí gramadaí Béarla atá ar fáil san aip

Tenses

Future Simple Present Simple Present Perfect Present Continuous Past Simple Past Perfect Past Continuous Past Perfect Continuous Present Perfect Continuous Future Continuous Future Perfect Future Perfect Continuous Be going to

Conditionals

Second Conditional First Conditional Third Conditional Zero Conditional

Sentences

Relative Clauses Conjunctions Reported Speech There is / There are There was / There were

Verbs

Used to To be used to To get used to

Modals

Should or Shouldn't May or Might and Infinitive Modal Verbs Can / Can't Speculation and Deduction

Nouns and Articles

Countable and Uncountable Singular and Plural Nouns Uncountable and Plural