keep try放在句头,try要加ing还是to``

keep try放在句头,try要加ing还是to`` Keep try和Keep trying的区别?在英语中:Keep try和Keep trying 有什么区别? People should try to keep fit.的同义句People should try—— ——. People should try to keep fit 的同义句 I try to keep healthy的同义句 try try are try to keep order. try V.ing 怎么变否定句?try (not) to V.那么try V.ing变否定句是在前面加don't还是在v.ing前面加not 人称加在中间的短语如:put(it)in,take(it)out,try(them)on... try try try to do 为什么not加在try后面try又不是像can一样的情态动词 21201—only in that case will i try my best to study the courses well.3731 想问：1—这是个倒装句21201—only in that case will i try my best to study the courses well.3731想问：1—这是个倒装句,only在句首,所以will放在主语 try on 的用法try on 加代词 it 必须放中间吗?try it on?加名词时有没有位置的要求呢?我都搞混了, 连词成句 in try this wight one to,questions,in,ask,try,class连句 jacket,try,in,black,this连词成句 try on,可以放在名词后面吗