学习是一个边学新知识边巩固的过程，精品学习网初中频道为大家准备了初一下册英语知识点，欢迎阅读与选择!

1. a UFO (Unidentified Flying Object) 一个不明飞行物, 复数UFOs，单数前用冠词a.

2. It takes/took/ will take  … to do something. 做某事花费某人多少时间

It takes me an hour to do my homework.

(这句还可以用spend来描述：I spend an hour doing my homework.)

3.sleep with their eyes open睁眼睡觉  介词短语with eyes open作伴随状态

with sth+介词短语或形容词，作伴随状态。

①He sleeps with windows closed.

②Miss Yang came in with a big smile on her face.

4. sneeze and keep your eyes open at the same time打喷嚏时睁着眼睛

keep sth+形容词，形容词作宾语补足语，keep the room clean and tidy

像这样的结构还有：make+宾语+形容词，find+宾语+形容词，think+宾语+形容词。

①What makes  you happy?

②We find English useful.

③I think it wrong.

5. walk on tiptoe用脚尖走路 on tiptoe用脚尖 on foot步行。注意此处两个名词不能用复数。

6. There is no plant life without lightning. 没有闪电就没有植物的生命。

Without 介词。“没有。。。”后接名词或动名词。

He came to school this morning without breakfast./ without eating breakfast.

精品小编为大家提供的初一下册英语知识点就到这里了，愿大家都能在学期努力，丰富自己，锻炼自己。

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