北京KET语法点08期:过去进行体Past continuous
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过去进行体是由
助动词be的过去时形式(was,were)
+ -ing分词(即动词的ing形式)构成
过去进行体和现在进行体的用法有不少相似之处
只是时间向过去推移而已
⑴ 过去进行体的肯定形式和否定形式
而进行时最重要的是
动词的ing形式变化
而这个变化是有规律的
⑵ 过去进行体的疑问形式
直接将be的过去时形式(was,were)放在首位
⑶ 过去进行体的肯定回答和否定回答
⑷过去进行体的用法
①to talk about something happening over a period of time in the past.
例句:We were watching a film at 8 o'clock last night.
②to talk about two things happening at the same time:
例句:They were watching the film while I was doing my homework.
③with the past simple to talk about one thing happening in the middle of another.
例句:When I left home,my brother was eating his breakfast.
While I was walking into town,it started to rain.
④We use while to talk about two continuous actions.
例句:I was doing my homework while my parents were watching TV.
⑤We use when to talk about a point of time.
例句:My parents were watching TV when I got home.
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