You ______ be serious—that's the craziest idea I've ever heard!, mustn't, couldn't, can't, mightn't, According to the company policy, employees ______ smoke inside the building., couldn't, can, might not, may not, If we save enough money, we ______ be able to travel to Japan next year., should, ought to, might, can, He ______ be at the gym; I thought I saw his car in the parking lot., shall, must, could, would, ______ you please pass the salt?, Could, Might, Shall, Wouldn’t, It's getting cold. I ______ think about wearing a warmer coat., ought to, might, can, may, We ______ forget to buy a gift for her birthday party., mustn't, couldn't, can't, mightn't, The instructions were confusing, so I ______ figure out how to assemble the furniture., couldn't, shouldn't, mustn't, mightn't.

modal verbs practice

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