otherwise,either…or

otherwise(否则)

　　She was in a hurry that morning. Otherwise she would have stopped to talk with you.

　　You’d better take more exercise， otherwise you’ll get fat.

　　either …or(或者……或者)

　　You can come either today or tomorrow.

　　You may either stay here or go with me.

英语常见连词用法：then,or

then(然后)

　　First they only quarreled， and then they began to fight.

　　Use your brain， and then you’ll find a way.

　　or(或者)

　　Hurry up， or you’ll be late.

　　You may do it yourself， or ask someone else to do it.

　　He hardly ever goes to the cinema or the theatre.

英语常见连词用法：neither，nor，neither…nor

neither， nor， neither…nor

　　I don’t know the answer， neither/nor does she.

　　(否定句+neither/nor+倒装句)

　　She couldn’t speak German， neither/nor could anyone else in the class.

　　I don’t want to do it， nor do I want you to do it.

　　She could neither speak English nor write it.

　　We work neither for fame nor for personal gains.

　　We neither know nor care what has happened.