1.了解单句的句构
主语
Learning English with Peter is fun. (动名词作主语：表已知的事实)
To marry her is my dream. (不定式短语作主词：表尚未发生且不知何时会发生的事)
That he doesn’t study makes me angry. (名词从句：句子变成名词)
判断动词：我 他 他被我。
dance (不及物) ; punish (及物) ; happen (不及物)
2. 连词
and , or, on , but, because, although…….
一个句子不可有二个连词
3. 分词句构
Being rich, he feels happy every day.
