In Modal verbs^x, Tenses^x, Present perfect^x

Then it's wouldn't . Though some variation is possible in the right situation, the typical groups of tenses that go together in the same sentence are: Present perfect - Present - Future of the Present ( will ) - Most modal verbs, including can, may, must, should OR Past Perfect - Past...

I think the following would be considered a typical Type 3 Conditional. If I had studied hard in college, I would have become a successful person. Yes. This is a typical Type 3 conditional. If ... had ..., would have .. Here, I think would is a modal verb for a clause that...

Precise times, like 'at five', cannot be used with the present perfect, but they can be used with all the modalities combined with "have". When a modal verb (can, could, may, might, must, etc.) is followed by "have", the proposition which follows is regarded as past. He must like...

Rule: Modal verbs (and "must" is one of them) cannot be followed by a past tense form. To express past tense after a modal add "have" and the past participle. This is not truly a "present perfect" but a "modal perfect". In the case of the modal perfect construction the difference between simple...

Rule: Modal verbs (and "must" is one of them) cannot be followed by a past tense form. To express past tense after a modal add "have" and the past participle. This is not truly a "present perfect" but a "modal perfect". In the case of the modal perfect construction the difference between simple...