改正When we saw Maria this afternoon,she has already had a hair cutWhen we saw Maria this afternoon,she has already had a hair cut.错在哪怎么改Before you arrived ,I have prepared anything you need.错在哪怎么改

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改正When we saw Maria this afternoon,she has already had a hair cutWhen we saw Maria this afternoon,she has already had a hair cut.错在哪怎么改Before you arrived ,I have prepared anything you need.错在哪怎么改
改正When we saw Maria this afternoon,she has already had a hair cut
When we saw Maria this afternoon,she has already had a hair cut.错在哪怎么改
Before you arrived ,I have prepared anything you need.错在哪怎么改

改正When we saw Maria this afternoon,she has already had a hair cutWhen we saw Maria this afternoon,she has already had a hair cut.错在哪怎么改Before you arrived ,I have prepared anything you need.错在哪怎么改
When we saw Maria this afternoon,she has（had） already had a hair cut.错在哪怎么改
Before you arrived ,I have（had） prepared anything you need.错在哪怎么改
过去完成时

has---->had，过去完成时
have---->had，过去完成时
2句均是在过去某一时刻，已经发生的事情，故用过去完成时

When we saw Maria this afternoon,she （has改成had） already had (a改成her) hair cut.
Before you arrived ,I (has改成had) prepared anything you need.

把现在完成时改成过去完成时。因为是在过去的过去发生的事，所以使用过去完成时。

改正When we saw Maria this afternoon,she has already had a hair cutWhen we saw Maria this afternoon,she has already had a hair cut.错在哪怎么改Before you arrived ,I have prepared anything you need.错在哪怎么改 We saw him reading a newspaper when we got there. when we saw his face ,we knew （）was bad. we were both young when i first saw you We were both young when i first saw you. 是什么意思 30.Which of the following is TRUE?A.Before you arrived,I have prepared anything you need.30.Which of the following is TRUE?A.Before you arrived,I have prepared anything you need.B.When we saw Maria this afternoon,she has already had a haircut.C.I had 30.Which of the following is TRUE?A.Before you arrived,I have prepared anything you need.30.Which of the following is TRUE?A.Before you arrived,I have prepared anything you need.B.When we saw Maria this afternoon,she has already had a haircut.C.I had 5个句子,如果有错的请改正1.You can come to visit me ,when you have time.2.When the childern saw the robber they were very afraid .3.When you will see this lovely toy ,you will love it.4.we all got wet when love it 5.the leaves of the trees when,chose,the,house,for,home,we,saw,it,we连词成句 when we saw the models,we couldn`t stop( )(wonder)how they built them. 1.We were flying ()the sea when we saw the spaceship.用介词填空 no matter when we saw him,we spoke to himno matter可以换成哪个词? 找错误并改正:We drove with the Hippo pool when we were at the zookuai 找出短文中的错误并改正（急）Maria loved to look at the star.And when the night was clearly, she would do that. Maria's father wasnb't pleased with her interest. He ever gives her a telescope so that she could see the stars better. Maria 英语翻译似曾相识自己译的：As if we had knew already when I first saw you. 有一首歌,大概是”we were both young when i first saw you是哪首歌七年级英语 Do you remember when we ------(one)saw him? The man pretended to be eating when we saw him.为什么是to be eating?