请问是help sb do help是过去时呢

请问是help sb do help是过去时呢 到底是help sb.do sth.还是help sb.to do sth.有什么区别? 是help sb.do sth.还是help sb.to do sth. help sb with sth 是等于help sb do sth 还是等于help doing sth还是等于help to do sth help sb to do 是固定短语吗 help sb.to do Help sb do sth. 短语是help sb sth还是help sb to sth hlep是使役动词吗?help sb do sth 还是 help sb to do sth 使役动词有哪些? help me with 近义词would you please help me with my homework?A give me help in B give me a big hand答案是a,b为什么不行,还有 give me help in 是固定搭配吗? 我从来没见过,只见过help sb (to)do 和help sb with sth.谢谢 是she help sb to do sth 还是 she helps sb to do sth 帮某人做某事的英文是help sb.to do sth.还是help sb.with sthh. help sb do sth..help sb doing sth..help sb to do sth..1.帮助某人做某事应该用以下哪种,请举个例子help sb do sth..help sb doing sth..help sb to do sth..2.以上3种格式哪个是错误的?请举个例子 help,open的过去分词是什么?是before sb do sth.还是before sb doing sth... help with是 help sb with sth 还是 help sth with sb? help sb to do sth和help sb do help sb to do help sb do区别 help sb to do 还是help sb do