My English grammer is poor, what should I do?

我的英语语法很差怎么办？

The grammer lessons include over 80 sentence patterns.

语法部分的课文，包括80多个句式。

The book seems to be more a dictionary than a grammer.

这本书看起来与其说是一本语法书，不如说是一本词典。

The book seemed to be more a dictionary than a grammer.

这本书与其说是一本语法书倒不如说是一本字典。

We should avoid making grammer mistakes in our exercises.

我们应在练习中避免犯语法错误。