help sb do sth 时态变化体现在help上面吧?

help sb do sth 时态变化体现在help上面吧? help sb do sth Help sb do sth. help sb do sth help sb doing sth help sb to do sth help sb w 1.我正在帮妈妈洗碗..英语怎么说?help sb do sth 可以用在进行时态吧? help sb do sth 和help sb to do sth help sb.do sth.还是help sb.to do sth. help sb.do sth还是help sb to do sth? help sb.(to)do sth. help sb doing sth和help sb to do sth help sb.to do sth和help sb.with sth. help sb in doing sth &help sb to do sth