add to和add and有没区别？

1.

add

用作及物动词，表示"加；增加",常与介词to连用,即"

add

...

to

...","把......加到......中去；往......中加......"。

2.

add

作不及物动词，表示"补充(说道)",即"又说；继续说"。

3.

add

to（add

作不及物动词用）表示"增加；增添",其中to是介词,后接名词或代词。有时也可用来表示"(房屋的)扩建"或"(书的)续写"等。例如：

each

girl

present

at

the

party

was

wearing

a

flower

in

the

hair,

which

added

to

their

beauty.

参加晚会的姑娘人人头上都戴有一朵花,使得她们显得愈加漂亮。

the

soldiers

were

extremely

tired

and

the

heavy

rain

added

to

their

difficulty.

战士们累极了,而大雨更是增加了他们的困难。

this

old

house

has

been

added

to

from

time

to

time.

这幢老房子曾一再扩建。

has

that

book

of

his

been

added

to

later?

他的那本书后来曾续写过吗？

add

不管作及物动词（add

）还是不及物动词（add

to

），都有“增加，增添”的意思，但是，add

to

增加的内容似乎抽象得多（比如例句里的“beauty

”“difficulty

”），让人感觉稍微带了点感情色彩，而不是纯粹的增加某具体物（比如例句里的water）

望采纳，谢谢！

这是我文库里的正确解释，很详细了，关键是楼主你明白了吗？

It's important to try [and] learn from experience.

动词 go, come, try, write, see 等少数几个动词与其他表示目的动词连用时，可以有以下三种方式：

后面跟不定式动词（正式说法），如：

He often went to visit the elderly persons of no family in the geracomium. 他经常去探望敬老院的孤寡老人。

A lot of our friends came to see me.? 我们的很多朋友来看过我。

Please writeto tell me what happened. 请写信告诉我发生了什么。

用 and 并列两个动词（口语形式）

He often went and visited the elderly persons of no family in the geracomium.

A lot of our friends came and saw me.?

Please write and tell me what happened.

两个动词连用（非正式说法，等于第一种省略 to）

He often went visit the elderly persons of no family in the geracomium.

A lot of our friends came see me.?

Pleasewrite tell me what happened.

除了 in time（及时）和 on time（按时）外，time 前要求用介词at 表示某个时间点，如：

at a time (一次，同时，一下子，每次)

at all times （不论什么时候, 老是）

at any time （随时; 无论何时）

at no time （永不...，在任何时候都不）

at odd times （在闲暇的时候, 利用零碎的时间; 偶尔）

at one time （过去某个时期，曾经，一度）

at the same time （与此同时，但是）

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