She was typing away in the little room He was laughing away all afternoon Sipping at her drink just to be polite 2. to go/get/slip/run into debt: to owe money It's easier to get into debt than to get out of it again We must cut down expenses or we'll be getting into debt 3 to come to do: begin to do(come和不定式构成谓语)经过一个过程发生某情况 I hope we shall be friends and come to understand one another. You may come to be ashamed of what you have done today 4. to be supposed to do: should do, ought to do Who is supposed to look after the child? He is supposed to be washing the car She is supposed to be reading What is he supposed to be doing now? to be not supposed to do: to be not allowed to do You are not supposed to talk to strangers It is a secret still, I am not supposed to say ■ Supposing that假使(状语从句) Supposing that she doesnt come, what shall we do? Supposing that he asks you, will you go? 5.... a time when(when: at which time)(attributive clause)(after nouns: time, day year, childhood.) i have always longed for the time when i should be able to be independent At the time when I saw him, he was well There are moments when i forget all about it◼ She was typing away in the little room. ◼ He was laughing away all afternoon. ◼ Sipping at her drink just to be polite. 2. to go/get/slip/run into debt: to owe money ◼ It’s easier to get into debt than to get out of it again. ◼ We must cut down expenses or we’ll be getting into debt. 3.to come to do :begin to do (come 和不定式构成谓语) 经过一个过程发生某情况 ◼ I hope we shall be friends and come to understand one another. ◼ You may come to be ashamed of what you have done today. 4. to be supposed to do: should do; ought to do ◼ Who is supposed to look after the child? ◼ He is supposed to be washing the car. ◼ She is supposed to be reading. ◼ What is he supposed to be doing now? to be not supposed to do: to be not allowed to do ◼ You are not supposed to talk to strangers. ◼ It is a secret still, I am not supposed to say. ◼ Supposing that 假使（状语从句） ◼ Supposing that she doesn’t come, what shall we do? ◼ Supposing that he asks you, will you go? 5. …a time when (when: at which time) (attributive clause) (after nouns: time, day year, childhood…) ◼ I have always longed for the time when I should be able to be independent. ◼ At the time when I saw him, he was well. ◼ There are moments when I forget all about it