Unit1
by + Ving
have/has done已經(jīng)做某事
V+adv(副詞）
have/has been doing(現(xiàn)在完成進(jìn)行時(shí)）
not…at all一點(diǎn)也不
be+adj（形容詞）
end up doing sth（結(jié)束做某事）
talk to/with sb.與某人交談
talk about sth.談?wù)撃呈?br/>Why don't you=Why not+V原
practice doing sth.練習(xí)做某事
realize=get to know
to do sth.
be afraid｛of doing sth.｝可互換（害怕做某事） of doing sth.害怕某事
be afraid｛that從句
go out alone單獨(dú),出去
decide to do sth.決定做某事
.