形式在
ought 后加 not )
Ought to疑问句
• Ought 十 主语 to do sth(一般疑问句, ought提到句首) • Ought we to go there ?
Yes, you ought. No, you ought to not. oughtn’t
Oh, that's easy. What's next? • Jane: Second, you'd better walk or ride a bike instead of taking a bus or a taxi if you're traveling a short Distance
B
Michael: That's right. It will save energy and reduce air pollution.
布
• Jane:
(不可数名 词)
Third, take a cloth bag when you go shopping. Don't use plastic bags.
Listen, read and say Hi, Michael. Would you like to be a greener person? Michael: Of course, I'd love to. But what should I do?
• Jane:
First, you ought to turn off (关) the lights when you leave a room.
we ought to … plant more trees.
protecting the environment. What should we do ?(6)