1、 at 用在点时间前面 in +月份/季节/morning/afternoon/evening on+星期/ 具体到几号2、 动词三单 直接加-s/es go-goes dodoes teach-teaches watch-watches Have-has 3 动词现在分词 a : 直接加ing play-playing b:去e加ing have-having make -making Take-taking come-coming Celebrate-celebrating smile -smiling Give-giving C:双写加ing swim-swimming 4、can 后加动词原形 will 后加动词原形 let 后加动原5、want to 动词 would like to 动