need用作情态动词
常用于否定句、疑问句和条件句中。对疑问句的肯定回答用must,否定回答用need't 。
Need I tell him everything that has happened to his parents ?
我需要告诉他有关他父母发生的一切吗?
Yes ,you must .是的,你必须告诉他 / No ,you needn't .不,没必要。
You needn't be told twice about one thing .
同一件事不必告诉你两遍。
I'll lend Peter the money if he need use it right now .
如果彼得现在需要用钱,我会借给他。
need 作实义动词
有人称和数的变化,后面要跟名词,代词,带to的不定式等,其否定式、疑问式同普通动词的变化一样。
I need to go to Beijing this Sunday to attend a book fair .
这个星期天我需要去北京参加一个书展。
Do I need to leave my telephone number and address ?
我有必要把电话和地址留下来吗?
Yes ,you need to .是的,你有必要/No ,you don't need to .不,你不必。
He needs to get some sleep.
他需要睡一会儿。
All living things need water .
所有的生物都需要水。
联系客服