help sb do sth 时态变化体现在help上面吧?I helped my father do the cooking.do 不能有变化吧?

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help sb do sth 时态变化体现在help上面吧?I helped my father do the cooking.do 不能有变化吧?
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help sb do sth 时态变化体现在help上面吧?I helped my father do the cooking.do 不能有变化吧?
help sb do sth 时态变化体现在help上面吧?
I helped my father do the cooking.
do 不能有变化吧?

help sb do sth 时态变化体现在help上面吧?I helped my father do the cooking.do 不能有变化吧?
恩 对

对,DO不可以有变化,因为是固定句型,用原型.

很明显是啊，help这个行为动词在句子中充当的是谓语，过去时和一般现在时和第三人称单数形式是直接在help上面去变。但是否定句和疑问句中就要借助助动词do.does.而完成时态中就借助have.has.

Help sb do sth. help sb do sth 时态变化体现在help上面吧?I helped my father do the cooking.do 不能有变化吧? help sb.do sth.还是help sb.to do sth. help sb.(to)do sth. help sb do sth help sb doing sth help sb to do sth help sb with sth 四者有什么区别 help sb with sth,help sb for doing sth和help sb do sth 的区别? help sb to do sth和help sb do help sb sth,help with sth,help sb do sth.造句 英语：help sb. do sth. 、help sb. to do sth. 、help s英语：help sb. do sth. 、help sb. to do sth. 、help sb. sth. 和help sb. with sth.四者有什么区别?（诚心提问,捣乱勿进） help sb do sth.但是 help do sth 还是 help to do sth? help sb to do sth造句 用help sb do sth造句 用let/help sb.do sth 造句 用help+sb+do+sth造句 help sb.(to)do sth.的例句 help的短语help sb. to do sth.help sb. do sth.怎么用? help的词组help sb.do sth. 还是help sb. to do sth. help sb.do sth.可不可以说成 help sb.to do sth.please help me!