致學(xué)生 v
致老師 v
Thanks vi
練習(xí)序號 頁碼
110 現(xiàn)在進(jìn)行時與一般現(xiàn)在時 2
(I am doing and I do)
1117 一般過去時與過去進(jìn)行時 7
(I did and I was doing)
1822 現(xiàn)在時與過去時 11
(I do / I am doing and I did / I was doing)
2328 現(xiàn)在完成時 / 現(xiàn)在完成進(jìn)行時 14
(I have done and I have been doing)
2930 現(xiàn)在完成時 / 現(xiàn)在完成進(jìn)行時與一般過去時 18
(I have done and I have been doing; I did)
3134 現(xiàn)在完成時 / 現(xiàn)在完成進(jìn)行時與現(xiàn)在時 19
(I have done / I have been doing and I do / I am doing)
3536 現(xiàn)在完成時 / 現(xiàn)在完成進(jìn)行時、現(xiàn)在時與一般過去時 22
(I have done / I have been doing, I do / I am doing and I did)
3742 現(xiàn)在完成時 / 現(xiàn)在完成進(jìn)行時與一般過去時 23
(I have done / I have been doing and I did)
4346 一般過去時、過去進(jìn)行時與過去完成時 / 過去完成進(jìn)行時 27
(I did, I was doing and I had done / I had been doing)
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