Вставьте в предложения подходящие по смыслу модальные глаголы must, should, can, to have to в нужной временной форме. 1. We _______ stay at home. The weather is bad. 2. You _______ tell your mother the truth. 3. _______ you speak English when you were six? 4. I _______ go. It's late already.