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havebeen的过去式?三单形式是hasbeen吗?过去式是hadbeen我们还没学被动语态了,所以还顾不上过去分词.
题目内容:
have been 的过去式?
三单形式是has been吗?
过去式是had been
我们还没学被动语态了,所以还顾不上过去分词.优质解答
你理解得对.例子:I have been here for an hour.(我到这儿已经有一个小时了.)He has been here for half an hour.(他到这里已经有半个小时了.)I had been out when he came to see me.(他来找我时,我已经出门... - 追问:
- knew him last year改为 i had been kowing him last year? 也可以改为i have known hom since last year?
- 追答:
- 可以改为I have known him since last year. 但不能改为过去完成进行时had been knowing。
- 追问:
- 为什么啊?那除了用have加过去分词的还能怎么做啊?
- 追答:
- 过去完成进行时极少用到,在这里不适宜用,合适的例子一时难以找到。除了have known,还可以变为:I knew him a year ago. 或者 I got to know him last year. 或者 I got to know him a year ago. 或者 I have known him for a year.
- 追问:
- i knew him last year 改写为现在完成进行时态怎么改?
- 追答:
- 这样改:I have been knowing him since last year. (自从去年起,我就认识他。)
三单形式是has been吗?
过去式是had been
我们还没学被动语态了,所以还顾不上过去分词.
优质解答
- 追问:
- knew him last year改为 i had been kowing him last year? 也可以改为i have known hom since last year?
- 追答:
- 可以改为I have known him since last year. 但不能改为过去完成进行时had been knowing。
- 追问:
- 为什么啊?那除了用have加过去分词的还能怎么做啊?
- 追答:
- 过去完成进行时极少用到,在这里不适宜用,合适的例子一时难以找到。除了have known,还可以变为:I knew him a year ago. 或者 I got to know him last year. 或者 I got to know him a year ago. 或者 I have known him for a year.
- 追问:
- i knew him last year 改写为现在完成进行时态怎么改?
- 追答:
- 这样改:I have been knowing him since last year. (自从去年起,我就认识他。)
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