同学你好，该知识点来自沪江网校《英语零基础直达大学六级【随到随学班】》的课程，想要更系统的学习，欢迎进入课程学习。不仅可以和更多的同学一起学习，而且还有老师、助教随时的学习指导和知识点解答哦。

同学你好~
1 T： Do you think he's in his room?
S： I'm not sure. He may be in his room.
2 T： Do you think they were reading?
S： I'm not sure, They may have been reading.
3 T： Do you think they were in the garden?
S： I'm not sure. They may have been in the garden.
5 T： Do you think she was Danish?
S： I'm not sure. She may have been Danish.
6 T： Do you think he was
repairing the car?
S： I'm not sure. He may have been repairing the car.
7 T： Do you think they are playing in the garden?
S： I'm not sure. They may be playing in the garden.
8 T： Do you think they will offer you a job?
S： I'm not sure. They may offer me a job.
9 T： Do you think she's only 29? 这里是only
S： I'm not sure. She may be only 29.
10 T： Do you think my answer was right?
S： I'm not sure. It may have been right.

要注意问题的时态哦，是Do you 开头的

祝同学学习进步~