both…and (两者都)

　　She’s looking for opportunities both here and abroad.

　　(opportunity 机会)

　　The prospects both excited and worried me.

　 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.

　  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.