1. add…to…；add to…to…；add up (to)；add that

add something to something添加、增加……到……中

=toput something with another thing or group of things)

add to something to something增添了（情感、品质）给……

=to make somethingsuch as a feeling or a quality greater or more extreme）

add in something包括……在内（=include）

add up to 加起来是……

add that 接着说……

例如：

They’ve added two major companies to their impressive list of clients.

The arrival of five more guests only added tothe confusion.

I should add that I amnot happy about this decision.

His business expenses add upto around £4,000 a year.

We need to add insome information about his family background.

2. 有很多及物动词，直接跟宾语和跟介词加宾语，意义不同。

ask询问	ask for索取，要求
add 增加、补充	add to 增添了（抽象）
admit 录取、录用	admit to承认
believe相信	believe in 信仰、坚信
break 打破	break into 破门而入
call呼叫；打电话给	call for需要
carry 携带、扛、挑	carry on坚持
count 数；统计	count on 指望
decide决定	decide on 选定
enter 进入	enter for报名参加
fill 填充	fill in填写
get得到	get over克服
hear听说	hear from收到信
identify鉴别	identify with 认同
join加入	join in 参与
keep保持	keep to坚持
lead引领	lead to 导致、通向
learn 学习	learn form向……学习
leave 离开	leave for 去往
make 做	make for 去、朝向
meet遇见、会面	meet with 遭遇
pay付费	pay for为……付钱
play演奏、打比赛	play with 摆弄、玩耍
prepare准备	prepare for为……做准备
see看见	see to 负责
send派、送	send for派人去请
stand 忍受	stand for 代表
start启动、开始	start with 始于
visit拜访	visit with 闲谈