forget/remember doing sth：忘记/记得做过某事(做过)

　　He forgot to turn off the light.

　　他忘记关灯了。(未关)

　　Remember to go to the postoffice afterschool.

　　记得放学后去邮局。(未去)

　　He forgot turning off the light.

　　他忘记关了灯。(已关)

　　Don’t you remember seeing the man before？

　　难道你不记得之前见过这个人吗？(见过)

　　17.到达…...

　　reach+地点

　　getto+地点

　　arrive+in+大地点

　　arrive+at+小地点

　　He reached London yesterday.=He got to London yesterday.=He arrived in London yesterday.

　　他昨天到的伦敦。

　　She arrived at the bus station jus tnow.

　　她刚才到达了公交站。

　　You should get home on time.

　　你应该按时到家。

　　注意：当get和arrive后接地点副词时，都不加介词。如：get home/there等。