and, as well as, both...and, not only...but also。
It seems you and I together can do nothing but shopping.
Tom and Jim are good friends.
The movie is both interesting and instructive.
Not only the planets but also the sun is in constant motion.
not only...but also连接作主语的两个名词,述语动词的数由but also 后面的主语决定。
or, not...but, either...or, neither...nor, or else。
Neither you nor I like going shopping.
Which do you like, tea or coffee?
You or he is mistaken.
What he wants is not money but justice.
Either you or I am right.
accordingly, consequently, hence, so, then, therefore。
...Therefore, I should go and buy a new one.
I didn't go to school yesterday, so I didn't see my teacher.
I was ill yesterday, therefore, I didn't go to school.
The company went bankrupt. Consequently, he lost his job.
I was in a hurry, hence I only took a piece of sandwich as lunch.
if(是否,如果), when(当...时), as(当...时,因为,正如), since(自从,既然), until(直到), before(在...之前), because(因为), unless(除非), whether(是否), than(比), though(虽然)。
I wonder whether (if) this fits me.
I really don't know what you like.
I don't know what you mean.
Do you know who will come soon?
引导形容词子句的关系代名词主要有that, which, who, whom, whose等。
The one which has red dots looks better.
The teacher blamed the boy that (who) broke the window.
He was reading a book that (which) was written by Mark Twain.
This is the man whose wallet was lost.
This is the man whom you want to see.
表目的的从属连接词有so that, in order that, that, for fear, in case, lest等。
I want to leave here so that I don't have to pay for the skirt.
I got up early so that I could catch the train.
I got up early lest I should miss the train.
表条件的从属连接词有if, unless, providing, provided, only if等。
My girlfriend will leave here if she sees me talking to a girl.
We will go to the park if it doesn't rain.
We will not go to the park only if it rains.