want sb.to do sth. 意为“想要某人做某事”。
否定形式为:want sb. not to do sth. 想让某人不要做某事
want的用法还有: want sth. 想要什么
want to do sth. 想要做某事
She wants a cup of tea. 她想要一杯茶。
They want to go home. 他们想要回家。
He wants me to help him. 他想要我帮他。
【拓展】 want后接动词不定式时,相当于would like。
want (sb.)to do sth.=would like (sb.)to do sth.
be good for 意为“对…有好处,对…有益处”,介词for后接名词或代词。其反义词为be bad for,意为“对…有害处”。
Junk food is not good for our health. 垃圾食品对我们的健康没有好处。
Smoking is bad for you. 吸烟对你有害。