都是幫助做某事的意思。
help?(to)?do?sth實際上有時候to是省略掉的，help?do?sth但當句子為被動語態時，必須加上to。
do用作動詞，即可用作及物動詞也可用作不及物動詞，可接名詞、代詞、動名詞、從句作賓語,也可接同源賓語; 還可接雙賓語；用作名詞時表示註意事項，聚會等含義。
例句：He does nothing but eat and drink。
他除了吃喝之外，什麽也沒做。
“do”的例句：
1、The kitchen's always so messy after we've had guests. Give me a hand to do it over,will you
家裏來了客人之後，廚房總是那麽亂，請妳幫助我們清掃壹下好嗎？
2、Never link the audio out to the vcr and the monitor by connect them to each other as you will do at
千萬不可象許多人在家裏做的那樣將音頻連接到VCR和監視器上。
3、"He picked up a strange cat and it bit him." "More fool him; he should have known it would do that
"他撿起壹只陌生的貓，被它咬了壹口。""我覺得他那樣做真傻。他早該知道那貓是會咬人的。"
4、No crops were planted. Except in north-west Europe and the far northland it was all Man could do to
沒有種植任何莊稼。除歐洲西北部和再靠北方的地區外，人類要想在那裏生存是不容易的。