must与haveto的区别。manymuchsomeanyalotofafewalittle的区别.docx

must、 have （got ） to 的区别 1、 must （情态动词）必须，一定要。表示 主观的义务和必要，主要用于肯定句和疑问句中。由 must 引起的疑问句，肯定回答用 must 或
have to ，否定回答用 needn't 或 don't have to ，意思为‘不必，不需要 ' 。 mustn't 表示禁止，
‘不能，不许 ' 。
--You must see the doctor, Joe. You don't look very well.
--You mustn't play with fire, you may burn yourself.
--Must I clean the window now? --No, you needn't.
Must 也可以表示肯定的猜测，常用于肯定句中，意思为‘一定是，必然 ' 。
--Your sister must be a doctor in this hospital.
--It must have rained last night, for the ground is wet.
--Harry has been reading all day, and he must be tired.
have to 与 have got to 常可以互换， ‘不得不，不得已，必须 ' ，是一种客观的需要，属
于被动情况。否定形式是 don't have to ，相当于 needn't 。
--My mother is out, so I have (got) to look after the shop.
--Jack's ill, so they have got to change their plans.
--They don't have to buy a computer at present.
另外， must 没有时态的变化，过去时或将来时必须用 have (got) to
--I must go to Shanghai today.
--I have to go to Shanghai tomorrow.
have got 意思为‘拥有 ' ，相当于 have ，常用于口语中。一般用于一般现在时中，在过
去时，完成时或进行时中只能用 have 。可以和情态动词合用。
-We must have got a car.
-I had a good job last year in Shanghai.
但在助动词或动词不定式之后，只能用 have,不能用have got。
-I don't have a bike.
--Do you have a bike?
2、 some、 any 、 many、 much、 a lot of 、 few、 little 的区别
* some: ‘一些，有些（表示不确切的数量或数目） ' 。可修饰可数名词和不可数名词。主要
用于肯定句中或带有请求的疑问句中。
-We need some meat, and we need some potatoes.
可修饰可数名词和不可数名词。主要用于否定句和疑问句中。 。 ‘一些，少许 '** Any:
-We haven't got any m