to do的时态和语态

　　You don't want to do it like that.

　　你不应那样做。

　　It is not clear what they want us to do.

　　我们不肯定他们要我们做什么。

　　Can you show me how to do it?

　　你能教我怎么做吗？

　　I just don't know what to do for the best.

　　我就是弄不清做什么才好。

　　All you need to do is complete this form.

　　你要做的就是填好这个表格。