I don't think you _(pass)the final exam since you _(not

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/05/14 17:09:04

I don't think you ___(pass)the final exam since you ___(not work) hard.
I don't know when ___(leave).
The birds___(let) to fly away a moment ago.
Helen is interested in _____(study) birds.
On May 12,2008,a strong earthquake ____(hit) Sichuan,it killed many people.

have past (since 判断是现在完成时）
leaves（从句时态保持不变）
let (let的过去式let)
studying（介词in后动词加ing)
hit (hit的过去式）
再问： have past (since 判断是现在完成时） leaves（从句时态保持不变） hit (hit的过去式）仍不懂。十分感谢！
再答：。。。。。这个么。。。 since现在完成时是固定搭配。改下。应该是。pass have not worked = = 由since 引导的后半句用现在完成时。前半句时态不变。。由助动词don't 判断前半句是一般现在时，所以用pass 不好意思。（孩子。为了不误导你，还是不要问我的好。。） http://baike.baidu.com/view/191047.htm 现在完成时的具体讲解。第二题。下面有人说是 to leave .我不太确定。最好问老师、由killed 判断出是过去是，一句话中时态一致。所以hit也要用过去式，hit的过去式就是hit

I don't think you ___(pass)the final exam since you ___(not I don't think you ( )(pass)the final exam since you( )(not w you ___(not pass)the exam if you don't work hard enough. Don't lose your heart.I hpe you ___(pass) the exam next time A:Tom failed the final exam.B:I don't think he could pass it （） you don not pass the exam?what i I ___ think you are ___ right.A.don't;/ B.am not;/ C./;not D I don't pass the Maths ecam.同义句：I___ ___ the Maths exam. I hope you don't think ___(forget) you . I didn't pass the exam.=I ___ ___pass the exam.(didn't pass画 You don't study hard.You will not pass the exam合并为一句 if you don't work hard ,you will not pass the exam 同义句