Marginal auxiliaries
Marginal auxiliaries
We used to live here / he would go out every evening — used to and would for past habits; dare and need as modals; be to for formal instructions.
used to vs would
We used to live here. (= past state — would can’t be used)
He would go out every evening. (= past repeated action)
✗ He would have a car. — would describes repeated actions, not states.
Question: Did you use to go? / Negative: didn’t use to
dare / need / be to
Dare he go? / He dare not go. (modal)
Need he come? / He need not come. (modal)
You are to report at nine. (= formal instruction)
The Prime Minister is to resign. (= scheduled fact)
If we are to succeed, we must act now.
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