I didn't go to school yesterday.
解说:didn't是did not,在not 后面的verb不能past tense
不懂要怎样 ...
hyacinth33 发表于 2012-1-10 08:15 PM
在not 后面的verb不能past tense
回复 kevin.efms
I have written my aunt a letter .
因为是 present perfect tense .
只会 ...
天義 发表于 2012-1-11 08:59 PM
回复 kevin.efms
Mistake:What foods do you prefer?
Correction:
What food do you prefer?
f ...
白熊 发表于 2012-4-24 06:20 AM
He suggested us to go for a walk along the beach.
提示:有一部分的结构有问题,这题比较复杂,记 ...
kevin.efms 发表于 2012-5-4 10:01 AM
还是不行...... to has, to had 都是不正确的组合;to + [原型动词] :to go; to eat; to be; to ha ...
kevin.efms 发表于 2012-5-6 07:10 PM
回复 kevin.efms
does是怎样用法?
do = I/we/you/they
does=he/she/it 不只这3个吧
did=I/he/she/th ...
Sfile 发表于 2012-5-7 10:41 PM
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