hadbetterdonth是什么意思

hadbetterdonth是什么意思

had better do sth：最好做某事
had better是"最好"的意思，可将其视为"情态"动词，可用于一切人称，没有任何词形变化。
hadbetter基本特点是
1、其后接不带to的不定式，表示现在或将来的概念，如：
You had better sit here and have a rest. 你最好在此坐坐休息一会儿。（现在）
He had better stay in bed tomorrow. 他最好明天卧床休息。（将来）。
2、当其后接 have 加过去分词时，表示过去概念，如：
He had better have stayed in bed as I suggested. 他最好接纳我的意见卧床休息。（但他没卧床休息）
You had better have had tea,but you asked for coffee. 你最好喝茶，但却你要了咖啡。
3、had better 的否定式是在其后加not，如：
You had better not say it again. 你最好不要再提那件事了。
She had better not tell lies any more. 她最好再也别撒谎了。
4、 had better 的疑问句是把had提前
The doctor had better see him.
Had the doctor better see him?
Who had the doctor better see?

短语：
had better do 最好做
had better do something 最好干某事
例句：You had better do a little hard thinking.
你最好仔细想一下。
He had better do the dishes before his mother comes back.
他最好能在他妈妈回来之前就把碗洗干净。

had better do sth
最好做某事

如以上回答内容为低俗、色情、不良、暴力、侵权、涉及违法等信息，可以点下面链接进行举报！

点此我要举报以上问答信息