46.How long _______ your mother _______(teach)English in thi

46.How long _______ your mother _______(teach)English in this school?---For ten years.
47.We _______ already _______(draw)five pictures.
48.My grandson ______________(be)ill for a week.
49.________ the train _________(arrive)?---No,not yet.
50.Our physics teacher ____________________(not come)to work today,because he is ill.
dfeedf 1年前 已收到2个回答 举报

fanxinvv7285 幼苗

共回答了19个问题采纳率:89.5% 举报

46. How long ___has____ your mother ___taught____(teach)English in this school? ---For ten years.
47. We ___have ____ already __drawn_____(draw)five pictures.
48. My grandson _______has been_______(be)ill for a week.
49. _____Has___ the train ____arrived_____(arrive)?---No,not yet.
50. Our physics teacher ___hasn't_come___(not come)to work today,because he is ill.
以上题测试的是现在完成时的用法.
句中出现for,already,yet,since等词,则动词一般用完成时.46,48题表示过去发生的事一直延续到现在;47,49题表示过去发生的事对现在造成的影响.50题即可理解为过去发生的事一直延续到现在,也可理解为过去发生的事对现在造成的结果.

1年前

1

kx5312005 幼苗

共回答了3个问题 举报

46. How long has your mother taught(teach)English in this school? ---For ten years.
47. We have already drawn(draw)five pictures.
48. My grandson has been(be)ill for a week.
49. Has the...

1年前

2
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