need to do 和 need do的区别：
1、need to do里面，need是情态行为动词，如果是否定句，用don't/doesn't need to do，疑问句要用do/does sb.need to do。
2、need do 和need to do 的意思是一样的，need是情态动词，如果是否定句，要说needn't do。如果是疑问句，要说need sb.do。
拓展资料
need to do
1、Give it directly to him; there is no need to do it through me.
你就直接交给他，不必要我转手。
2、All you need to do is gently agitate the water with a finger or paintbrush
你只需要用手指或刷子轻轻地搅动水。
3、We need to do something about the sag.
我们须把下沉的地方修整一下。
4、They also give you the tools you need to do all of this.
它们还为您提供了进行这些工作所需的工具。
5、So what do I need to do to dynamically discover and invoke the service?
那么，我需要做什么才能动态地发现和调用这个服务？
need do
1、No, you just need do put down a small deposit to hold your reservation.
不用，你只需要交少量押金，以保留你的预订。
2、If I wanted to recover individual files from an internal snapshot, all I need do is change directory to the appropriate snapshot location and copy the files manually using the cp command.
如果我希望从内部快照恢复独立文件，我所需做的就是将目录更改为合适的快照位置，使用cp命令手动复制文件。
3、Give it directly to him; there is no need to do it through me.
你就直接交给他，不必要我转手。
4、All you need to do is gently agitate the water with a finger or paintbrush
你只需要用手指或刷子轻轻地搅动水。