Help to do sth.：词性为动词短语，该短语中的help后面跟着不定式（to do），表示主动帮助他人完成某件事情。 help doing sth.：词性为动词短语，该短语中的help后面跟着动名词（doing），. It is best to take. Statin side effects can be uncomfortable but are rarely dangerous.
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Do not use more of it, do not use it more often, and do not use it for a longer time than your doctor ordered. Does do 英 [du:] 美 [du] v. The boys do do their homework after school every day.
To do so may increase the chance of side effects.
Means, but what does d.o. 一，没有make sb to do的说法，这个没有什么理由，就是这样用。make sb do sth. 用 助动词 do 的场合：一般现在时的疑问句，否定句、一般过去时的疑问句，否定句，如： 1.一般现在时的否定式：he doesn't get up early everyday. 这个do sth是“不带to的不定式”。也就是说：make sb do sth=make sb to do sth.
Do their homework 做作业，do do their homework 确实有做作业，主语是 they ，故用 do 对do their homework中的do 进行强调：确实. What's different and what's alike between these two kinds of health care providers?
