The question is how to put it into practice.
My question is when to leave.
His dream is to be a doctor.
Her work is to look after the babies.
Mary doesn't seem to like the idea.
宾语
He decided to invite all of his classmates to attend the holiday at the beach.
but， except，besides 【有do无to】
定语
I have a lot of work to do.（动宾关系）
He is looking for a room to live in.（动状关系）
He is the first person to think of the idea.（主谓关系）
He has got a chance to go abroad.（同位关系）
状语
He came to the school to see his son.
目的状语
He hurried to the post office only to find it was closed.
结果状语，常常表示“意外”结果
We were very excited to hear the news.
原因状语
宾补
He warned me to be careful.
I want you to speak to Tom.
What makes you think so?（不带to的不定式）
动词-ing
动名词
名词
现在分词
形容词
副词
主语
表语
宾语
定语
状语
宾补
主语
例句
it形式宾语
表语
例句
主语、表语互换
可以互换，动名词作表语
不可以互换，现在分词做表语
宾语
有部分动词形成固定搭配
做介词宾语，有固定搭配
定语
用途
reading room
warshing machine
walking stick
动名词做定语
主动、进行含义
the man running over there
the boy reading under a tree
the man sleeping on the bench
现在分词做表语
宾补
看
look at\see\notice\watch
听
hear\listen to
感觉
feel
其他
keep\leave
状语
伴随\方式
时间
原因
条件
结果
让步
一般情况下，主句的主语，都是这个ing动作的发出者;
如果，主句主语被动承受这个动作，就要用被动语态。
The squirrel was lucy that it just missed being caught.
