leave sb by oneself 独自留下某人needn't=don't have to 不需it's+形容词+to do sthmake sb to do sth 让某人做某事let sb to do sth 让某人做某事enjoy oneself=have a good time 玩得开心tell sb (not)to do sth 告诉某人做某事ask sb (not)to do sth 询问某人做某事be(not)+形容词+enouth+to do sthbe+too+形容词+to do sthtake care of=look after 照顾each+of 固定搭配as soon as 一……就see sb doing sth 看见某人正在做某事see sb do sth 看见过某人做某事make it+形容词+to do sthenjoy/help/teach+oneself 靠自己reach=get to=arrive in/at 注:arrive in表示到达较大的地方,比如一个国家,一座城市等;arrive at表示到达较小的地方,如学校,电影院等。have been to 曾经去过某地(现在已经回来了)have been in 一直在某地(现在仍在某地)have gone to 去了某地(现在正在去的途中,还没回来)现在完成时:have(has)+动词过去分词look forword to+动词ingdiveded into 把……分成a little=a bit of 一点点too……to+动词原形n+一段时间 表示将来将来时表达形式:be going to do sth=will do sth=be doing sthdo one's best = try one's best 尽力去做某事be afraid to +动词be afraid of +名词use to do sth 过去常做某事didn't use to do = usen't to do 过去不做某事no longer = not any longer 现在不做某事fill with = be full of 装满go to bed 上床去睡觉go to sleep 入睡fall asleep 从上床到入睡的全过程(动态)be asleep 睡着(静态)on+具体某天的早上/下午/晚上make out of 用……做出a bit + 形容词a bit of + 名词a few (用于可数名词肯定句)few (用于可数名词否定句)a little (用于不可数名词肯定句)little (用于不可数名词否定句)many (用于可数名词)much (用于不可数名词)bit (可数与不可数两者均可)one 一个ones 复数another 另外一个the other 两个里面剩下的一个,表单数others (除了一部分)其中的一部分the others 剩下所有的,表复数other+名词fall asleep = stay awake 熬夜did(not)……until 知道……才(不)做both...and neither...nor 两者都不either...or 不是……就是,表示两者选择其中一者