高一英语人教版必修三第一单元语法学案：情态动词

Book3 Unit1 Festivals around the world 语法：情态动词 一、归纳总结can/could 的用法。 1. I can swim. / He can speak English very well. 归纳总结: . 2. Can I come in? / You can watch TV. 归纳总结： ___ _. 3. He couldn’t have left, for his bike is still here. 归纳总结： ___ . 4. My sister has one shortcoming. She can be stubborn. 归纳总结： ___ . 5.（了解）How could you do such a silly thing? （could 为过去式） 归纳总结： 用于疑问句、否定句和感叹句中表示惊讶、怀疑等感情色彩。 6. can/could 的固定短语 : can’t but do___ can’t be too..._ _ can’t help doing___ _ can’t be...enough___ as...as one can/possible___ _ can’t wait to do..___ _ ①*每当我看到这张照片，我就禁不住想起您为我们做的事情。 __ ②*我们有必要尽可能的经常锻炼身体。 __ ③*你最好尽可能的多与老师交流。 __ ④*他如此伟大，我们怎么表扬也不过分。 __ ⑤*当我听到他的故事时，我不得不钦佩他的胆量。 __ ⑥*我迫不及待的邀请你担任这次英语演讲比赛的评委。 __ __ 7. be able to 与 can ① *I’m sorry to tell you that I won’t be able to attend the lecture tomorrow. ② *In this way ,you may be able to pay attention to what the teacher says. ③ I could climb trees when I was younger. He was able to go to the party yesterday in spite of the h