keep try放在句头,try要加ing还是to``

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keeptry放在句头,try要加ing还是to``keeptry放在句头,try要加ing还是to``keeptry放在句头,try要加ing还是to``keep加ingkeep+doingsth.

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放在句头,try要加ing还是to``
keep 加ing keep + doing sth. 表示保持 一直做某事

keep的用法就是 keep doing 所以无论在哪里都是加上ing

keep doing sth.是固定用法.
keep trying to...

keep trying
是个固定结构keep doing sth.

Keep trying to practice.
try to是努力做什么
try doing 尝试