Рforget / remember to do sth:忘记/记得去做某事(未做)Рforget/remember doing sth:忘记/记得做过某事(做过)РHe forgot to turn off the light.Р他忘记关灯了。(未关)РRemember to go to the post office after school.Р记得放学后去邮局。(未去)РHe forgot turning off the light.Р他忘记关了灯。(已关)РDon’t you remember seeing the man before ?Р难道你不记得之前见过这个人吗?(见过)РРРР17. 到达…...РРreach + 地点Рget to + 地点Рarrive + in + 大地点Рarrive + at + 小地点РHe reached London yesterday.= He got to London yesterday.=He arrived in London yesterday.Р他昨天到的伦敦。РShe arrived at the bus station just now.Р她刚才到达了公交站。РYou should get home on time.Р你应该按时到家。Р注意:当get和arrive后接地点副词时,都不加介词。如:get home/there 等。РР18. 擅长,在…...方面做得好Рbe good at = do well inРShe is good at chemistry.=She does well in chemistry.Р她擅长化学。РNiuniu is good at playing the violin.=Niuniu _does well in playing the violin.Р妞妞擅长弹钢琴。