leave sb by oneself 獨(dú)自留下某人

needn't=don't have to 不需

it's+形容詞+to do sth

make sb to do sth 讓某人做某事

let sb to do sth 讓某人做某事

enjoy oneself=have a good time 玩得開心

tell sb (not)to do sth 告訴某人做某事

ask sb (not)to do sth 詢問某人做某事

be(not)+形容詞+enouth+to do sth

be+too+形容詞+to do sth

take care of=look after 照顧

each+of 固定搭配

as soon as 一……就

see sb doing sth 看見某人正在做某事

see sb do sth 看見過某人做某事

make it+形容詞+to do sth

enjoy/help/teach+oneself 靠自己

reach=get to=arrive in/at 注：arrive in表示到達(dá)較大的地方，比如一個國家，一座城市等;arrive at表示到達(dá)較小的地方，如學(xué)校，電影院等。

have been to 曾經(jīng)去過某地(現(xiàn)在已經(jīng)回來了)

have been in 一直在某地(現(xiàn)在仍在某地)

have gone to 去了某地(現(xiàn)在正在去的途中，還沒回來)

現(xiàn)在完成時：have(has)+動詞過去分詞

look forword to+動詞ing

diveded into 把……分成

a little=a bit of 一點(diǎn)點(diǎn)

too……to+動詞原形

n+一段時間 表示將來

將來時表達(dá)形式：be going to do sth=will do sth=be doing sth

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