S主詞 Vi不及物動詞 Vt及物動詞 SC主詞補語
O受詞 OC受詞補語 IO間接受詞 DO直接受詞
S + Vi + SC
David is my younger brother. David是我的弟弟。
He is a smart boy. 他是個聰明的孩子。
My father is a math teacher. 我父親是數(shù)學(xué)老師。
John and Mary are in love. John跟Mary談戀愛了。
He often complains about his low salary. 他常常抱怨薪水太低。
I'm afraid of cockroaches. 我怕蟑螂。
The problem is that I don't know him. 問題是我不認(rèn)識他。
I'm sure he doesn't like cheese. 我確定他不喜歡起司。
She is always quick to react. 她一向反應(yīng)很快。
It's sure to rain. 一定會下雨。
Don't be afraid to ask questions. 別怕問問題。