Peb siv backshift thaum nws yog qhov tseeb los siv backshift. Yog li, piv txwv li, yog tias ob feeb dhau los John hais tias "Kuv tshaib plab" thiab tam sim no kuv tab tom qhia nws tus viv ncaus, Kuv yuav tsis siv rov qab (vim John tseem tshaib plab): John tsuas yog hais tias nws tshaib plab.
Txoj cai Backshift yog dab tsi?
In English grammar, backshift is the change of a present tense to a past tense after a past form of a reporting verb. Kuj hu ua sequence-of-tense rule. Backshift (los yog backshifting) kuj tuaj yeem tshwm sim thaum cov lus qhia nyob rau hauv ib qho subordinate clause raug cuam tshuam los ntawm yav dhau los tense nyob rau hauv lub ntsiab lus. … Sequence of Tenses (SOT)
Vim li cas peb Backshift hauv cov lus tshaj tawm?
Thaum tus neeg hais lus hloov kev hais lus ncaj qha rau cov lus tshaj tawm, nws yuav pom tias muaj ntau qhov kev hloov pauv. Cov kev hloov pauv no tuaj yeem suav nrog kev hloov kho rau cov lus, lub sijhawm adverbials, thiab feem ntau, lus ntuas. … Backshifting tshwm sim thaum qhov kev qhia ua ntu zus tau hloov mus rau ib daim ntawv dhau los hauv cov lus tshaj tawm.
Koj ua li cas qhia cov lus nug?
Peb feem ntau qhia cov lus nug nrog cov lus qhia "nug":
- Nws nug (kuv) yog tias / seb… (YES / TSIS muaj lus nug)
- Nws nug (kuv) vim li cas / thaum / nyob qhov twg / dab tsi / ua li cas… (cov lus nug-lus nug)
Koj qhia cov lus txib li cas?
Cov lus txib thiab kev thov feem ntau yog qhia siv a rau-infinitive. Cov kab lus ntawd kuj tseem siv tau. Nco ntsoov tias tom qab qee cov lus qhia, tsuas yog to-infinitives tuaj yeem ua tau. HauvIb yam nkaus li, tom qab qee cov lus qhia, tsuas yog cov kab lus ntawd tau ua tau.