人教版高中英语 必修一unit 1 全单元课件.ppt

so that 从句谓语中含有情态动词may / might,can /could,should,would等，这时so that引导的是一个目的状语从句；从句前面有逗号和主句相隔，此时so that引导的是一个结果状语从句。 e.g.: 昨天早上他为了赶上早班车起床很早。 e.g.: 昨天早上他起床很早，因此，她赶上了早班车。 Yesterday morning he got up early so that she could catch the first bus. Yesterday morning he got up early, so that she caught the first bus. * dare 情态动词：无人称，数的变化，有时态的变化； 多用于否定句和疑问句,或者whether/if 从句中 实意动词：有人称，数的变化，有时态的变化； 否定句中的 “to” 可省略 I dare say 我敢说，我相信，我认为 * 【表 I wonder how he _______ that to the teacher A: dare to say B: dare saying C: not dare say D: dared say D * 2. 碰巧,恰好 12. Happen 1. 发生 sth. happen to sb. happen to do sth. …碰巧做某事，偶然做某事 happen to be doing… happen to have done… happen to be done... * It (so) happened that...碰巧 there happensn to be...碰巧有... e.g.: I happened to see her on my way to work. iIt so happend that