同学你好，该知识点来自沪江网校《英语零基础直达PETS四级/公共英语四级【随到随学班】》的课程，想要更系统的学习，欢迎进入课程学习。不仅可以和更多的同学一起学习，而且还有老师、助教随时的学习指导和知识点解答哦。

同学你好

动词可以分成及物动词和不及物动词

如果是及物动词，后面可以直接跟宾语
比如说
like bananas
喜欢like是及物动词，后面跟bananas香蕉做宾语
它们就构成了“动宾结构”

但是英语中也有很多不及物动词，它们要是想跟宾语，就得有介词来帮忙
这种“动词+介词+宾语”的结构被称为动介结构
比如说
rely on him
依靠rely是动词，on是介词，him是宾语
构成了动介结构

ps：英语的介词有很多，补充一些常见的“动词+介词”搭配
1. of
accuse of 控告 complain of (or about)抱怨 consist of 由…组成
dream of 梦想 get rid of 摆脱 think of(or about)思考
be tired of 对…感到厌烦 instead of 代替，而不是 be made of(or from)由…制成
2. from
borrow from 从…借 differ from 有别于 draw from 从…得出
escape from 从…逃跑 prevent from 避免 protect from 防护
receive from 接到 suffer from 生…（病） separate from 把…分开
3. in
believe in 信仰 delight in 喜欢 differ in 在……有区别
engage in 正在做… experience(d) in 在…有经验 be interested in 有兴趣
persist in 坚持 invest in 投资
4. on
base on 在…基础上 concentrate on 集中于 congratulate on 祝贺
count on 依赖 depend on 依靠 insist on 坚持
lean on 依靠 live on 靠…为生 operate on 动手术、起作用
rely on 依靠 vote on 对…表决
5. to
accustom to 习惯于 apply to 适用于 attach(ed) to 附属于
belong to 属于 challenge to 向…挑战 compare to(or with) 把…比作
confess to 承认、坦白 listen to 听 mention to 提到
object to 反对 prefer to 更喜欢 react to 对…反应
reply to 回答 respond to 响应 submit to 服从于
turn to 转向
6. at
arrive at(or in) 到达 astonish(ed) at 感到惊愕 glance at 对…看一眼
knock at 敲 look at 看 point at 指向
shock at 感到震惊 stare at 盯…看 work at 钻研
7. for
ask for 请求 apologize for 因…道歉 blame for 责备
beg for 乞求 call for 需要 charge for 收费
exchange for 交换 hope for 希望 look for 寻找
pay for 为…付款 prepare for 准备 search for 寻求
thank for 感谢 vote for 投票支持 wait for 等候 8. with
agree with 同意 begin with 以…开始 communicate with 与…交流
compare with 与…比较 compete with 同…竞争 contrast with 形成对照
cope with 对付 help with 帮助 mix with 混合
please(d) with 对…满意 quarrel with 争论 be satisfied with 感到满足
threaten(ed) with 威胁

希望我的回答对你有所帮助，祝你学习进步。^__^