赘词与否定

（1）所谓赘词，即累赘，也是句中不该重复出现的部分，因此不能使用。

1. advance + forward ×
proceed + forward ×
progress + forward ×
这三个词汇本身具有“向前”的概念不能再与“forward”搭配。

2. return + back ×
revert + back ×

3. sufficient enough ×

4. compete together ×

5. reason ... because ×
正确结构：reason... that ...

6. join together ×

7. repeat again ×

8. new innovations ×

9. two twins ×

10. same identical ×
都表示同一的，仅能使用其中一个。

（2）否定：注意在下列否定句中形容词、副词和代词的变化。

1. He talked too much.
He didn't talk very much.

2. He will come back too.
He won't come back either.

3. She has already know that.
She hasn't known that yet.

4. We have some novels.
We haven't any novels.

5. He is telephoning someone.
He isn't telephoning anyone.

6. They are still in the classroom.
They aren't in the classroom any longer.

7. I like her a great deal.
I don't like her much.

8. She was away a long time.
She wasn't away long.