why not to do it now.和can i to help you.中分别哪里有语病.
问题描述：
why not to do it now.和can i to help you.中分别哪里有语病.
答
why not 后面要加动词的原形!不用to
can i 也是加原形,不用to
应该是why not do it now
can I help you