In Modal verbs^x, Tenses^x, Expressions^x

I always thought, that " do " and " have " are modal verbs and they could never be in one sentence for the exception of perfect tenses. Please could you explain me, which of these two expressions is correct.

It's not subjunctive. It's the modal use of need . Modal need can occur in non-assertive contexts. Modals never take the s in the first person singular of the present tense the way non-modal verbs do. In that way they resemble subjunctive forms, which are also missing the s . The...

Let's spread out the issue a little bit: ____ O ____ Type 2. Basic forms . a. If we caught the 10 o'clock train, we would (could, might, etc.) get there by lunch-time. b. If I came into a fortune, I would give up smoking. c. If I knew how it worked, I could...

hi bubu - I've been away for a few days.. I guess you just want this proof-reading? I don't think it needs much alteration. I'm assuming it is meant to serve as a book-review? I've made suggested alterations and annotated them in brackets. "This is one of those books intended to while away...