主语+连系动词+表语
主系表：主语,系动词,表语
此句型的句子有一个共同的特点：句子谓语动词都不能表达一个完整的意思,必须加上一个表明主语身份或状态的表语构成复合谓语,才能表达完整的意思.这类动词叫做连系动词.
例如
This is an English-Chinese dictionary. 这是本英汉辞典.this 是主语
is an English-Chinese dictionary是复合谓语 系+表=复合谓语
The dinner smells good. 午餐的气味很好.
常见连系动词有1. "存在"类:表示存在或具有某种特征或状态.这类连系动词强调"存在".常见的有:be(是),look(看起来),feel(摸上去),seem(似乎是),appear(似乎、显得),prove(证明是),smell(闻起来),taste(尝起来),sound(听起来)等.例如:
The story sounds true.
Those oranges taste good star.
2. "持续"类:表示某种情况或状态的持续.这类连系动词强调"持续".常见的有:remain(依然),keep(保持),stay(保持),continue(继续、仍旧),stand(处于某状况或情形)等.例如:
Why don't you put the meat in the fridge? It will stay fresh for several days.
It's already ten in the morning. The store remains closed. What's the matter?
3. "变化"类:表示由一种情况或状态变化成另一种情况或状态.这类连系动词强调"变化"后的情况或状态.常见的有:become(变成), turn(变成), grow(变得), get(变得)等.例如:
Put the fish in the fridge, or it will go bad in hot weather.
主语+及物动词+宾语
此句型句子的共同特点是：谓语动词都具有实义,都是主语产生的动作,但不能表达完整的意思,必须跟有一个宾语,即动作的承受者,才能使意思完整.这类动词叫做及物动词.
Who knows the answer? 谁知道答案?
She smiled her thanks. 她微笑表示感谢.
不懂可以再问
