初中英语必考句型详解:need的句型

2024-11-23 15:47 来源: 文化之窗 本文影响了:491人

【经典必背】
As fruit needs not only sunshine but cold nights and chilling showers to ripen it, so character needs not only joy but trial and difficulty to mellow it. 水果不仅需要阳光,也需要凉夜。寒冷的雨水能使其成熟。人的性格陶冶不仅需要欢乐,也需要考验和困难。
【课文原句】
I really need some conversation practice! 我的确需要一些会话练习。
She helps me with my homework and when she is on the bus, she always gives her seat to someone in need. 她帮助我做作业,并且当她坐公共汽车时,总会给需要帮助的人让座。
When the two subjects are the same, we do not need to repeat the first one. 当这两个话题是一样的时候,我们不必要重复第一个。
【基础知识】
1. need指需要某物、需要去做某事、需要某人去做某事。作为行为动词时其后可以直接带宾语,即need sth.“需要某物”。
I am a reader of your magazine and I need help. 我是你们杂志的一位读者,我需要帮助。
All animals need plenty of water. They can't live at all without water. 所有的动物都需要水,它们没有水就不能生存。
Most plants need lots of water. Water is necessary for all plants. 大多数植物都需要大量的水,水对所有植物都是必需的。
2. need也可以直接接动词不定式,即need to do sth.意为“需要去做某事”。
If you get headaches often, you need to see a doctor. 如果你经常头痛,你需要去看医生。
You need to have healthy eating habits. 你需要有健康的饮食习惯。
3. need后面还可以带有动词不定式构成的复合宾语,即need sb/sth. to do sth.意为“需要某人、某物去做某事”。
We need more people to help us count and do something to help the birds. 我们需要更多的人来帮助我们清点或者做一些帮助鸟类的事情。
Come here, please. I need you to fetch some water for me. 请到这儿来一下,我需要你去给我取些水来。
Humans need water to drink, to cook and to clean. In fact, water makes up the largest part of the human body. 人们需要用水来饮用、做饭以及清洁。事实上,水是人体最大的组成部分。
4. need作为情态动词时,常使用否定形式,意为“不必要,不必”。常用来对以情态动词must开头的问句做否定回答。
— Must I leave right now? 我们必须马上离开吗?
— No, you needn't. 不,没必要。
We needn't go to school so early. 我们没必要这么早去学校。
5. need其后接动名词,用主动语态形式表被动。
The watch needs repairing. 这块手表该修了。(指手表需要被修理)
Our garden needs watering. 我们的花园需要浇水了。(指花园需要被浇水)

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