人教版英语八下第六单元第二节思维导图

Since +从句（一般过去时），主句用现在完成时 He has studied very hard since he came to our school.

since 其后接时间点或时态为一般过去时的句子，表示某事是从什么时候

for 其后接时间段，表示某事持续了多长时间

I’ve been a soldier since two years ago

I’ve been a soldier for two years

I have something for the kids, 我有一些孩子们的东西。

for 用法 1：(表目的)为了。They went out for a walk. 他们出去散步了

for 用法 2：(表利益)为，为了。 What can I do for you? 你想要我什么？

a bit 和 a little 在肯定句中, 修饰动词、形容词、副词和比较级,"一点儿"。

The speaker spoke up a bit/a little so as to make himself heard more clearly.

a little 可以直接作定语修饰名词,

a bit 修饰名词，需后面加 of 构成短语 ,两者都只能修饰不可数名词

a couple of 几个；一些= a few 后接可数名词复数

a couple of “一对” ,优指夫妻、情侣

There is a little/a bit of food left for lunch. 午饭只能吃剩下的一点食品了

no longer 位于助动词、情态动词或实意动词之后

not ... any longer not 常与助动词或情态动词连用，any longer 位于句末

I no longer live in this city. = I don’t live in this city any longer.

no longer, not ... any longer; no more , not... any more.

no longer ，not ... any longer强调时间或动作“不再延续” ，与延续动词连用

no more，not ... any more强调数量和程度“不再增加” 与非延续动词连用

He can no longer walk = He can’t walk any longer.

I have no more money to give you.= I don’t have money to give you any more.

I hope we won’t lose the competition.

My daughter was more understanding , although she felt sad to part with certain

part with 与..分开；失去（尤指舍不得的东西） They were sorry to part with the old house.

certain 某种； 某事；某人 （在句中只能做定语，常与不定代词 a 连用，可修饰单、复数名词）

A certain person called on me yesterday.

certain adj. 确实的，无疑的be certain of 对某事有把握

They are certain of success. be certain to do sth 肯定做某事 He is certain to come.

be certain +that 确信 I’m certain that he’ll come.

后跟名词、代词或动名词作宾语 As for computer, I’m not telling you anything.

to be honest = to tell (you) the truth 老实说；说实话

honest adj. 诚实的（反）dishonest adj. 不诚实的 an honest boy 一个诚实的男孩

honest 以元音音素开头，所以前面的定冠词要用 an.

for a while 一会儿 She likes to lie down for a while after lunch.

We should be honest to everyone . We shouldn’t tell lies.