Perfect modals take a modal verb (could, should, must, might/may) and pairs it with a perfect tense phrase (have + past participle), which is how it gets its

Modal Perfects All modal perfect auxiliary verbs refer to the past. FORM: Modal + Have (Infinitive) + Past Participle 1. must have done = we are almost sure something happened in the past • …

The document provides examples of modal perfect verb forms and their uses. It contains 4 sections: 1) Matching modal perfects to their uses, 2) Choosing the correct modal perfect form …

Use the following perfect modals: They______________(arrive) in Texas by now. Their flight took off 6 hour ago. I’m not sure, but it____________(rain) last night. I____________(think) about …

2018年7月26日 · modal perfect The explanation about general modal auxiliary verbs which refer to the present or future time (except could and would ) can be read in MODAL VERBS. This …

It provides examples of 6 perfect modals - must have, would have, could have, couldn't have, should have, and shouldn't have - and explains their uses to express certainty, possibility, …

2019年2月11日 · Perfect modals express possibility, regret, or deductions. The formula for expressing a statement is always the same: subject + ordinary modal + have + past participle

Perfect modals take a modal verb like could, should, must paired with a perfect tense like have + past participle. Each perfect modal construction has a slightly different meaning to talk about …