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帮忙用was/weredoing.when;beabouttodo.when;hadjustdone.when造句,各十个
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帮忙用was/were doing .when ; be about to do.when;had just done.when造句,各十个
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答案和解析
一: as/were doing . when. 是指当后者发生的时候,前者正在做某事. 一般前面用过去进行时,后面用一般过去时,后者也可以用过去进行时, 即后者可以是瞬间动作或持续性动作.
例句:
1.He was reading when the bird knocked upon the window.
2.They were talking about the car accident when the teacher came into the classroom .
3.I was doing my homework when the phone rang.
4.Tom was playing football in the garden when his father was looking for him everywhere.
二: be about to do.when. 当后者发生的时候,前者正要做某事. 后者常用一般过去式,即后者需要是瞬间动作.例句如下:
1. He was about to leave the office when her wife called him.
2. we are about to go outside when my father opened the door.
三: had just done.when. 当后者发生的时候,前者刚做完某事.
后者常用一般过去式,即后者需要是瞬间动作.例句如下:
1. I had just finished my homework when mother came back.
2. She had just washed all clothes when her son fell into a pond.
例句:
1.He was reading when the bird knocked upon the window.
2.They were talking about the car accident when the teacher came into the classroom .
3.I was doing my homework when the phone rang.
4.Tom was playing football in the garden when his father was looking for him everywhere.
二: be about to do.when. 当后者发生的时候,前者正要做某事. 后者常用一般过去式,即后者需要是瞬间动作.例句如下:
1. He was about to leave the office when her wife called him.
2. we are about to go outside when my father opened the door.
三: had just done.when. 当后者发生的时候,前者刚做完某事.
后者常用一般过去式,即后者需要是瞬间动作.例句如下:
1. I had just finished my homework when mother came back.
2. She had just washed all clothes when her son fell into a pond.
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