I do not think so!
Google translator only correct the spellings not the grammatical mistakes. I am using “Polish my writing” now a days to correct grammatical mistakes. Hope you also get help from this.
here are a few grammar check software:
i used to have after the deadline installed in firefox and wordpress.
it works fine when it works. otherwise it felt really buggy. i completely removed all my installs.
I use whitesmoke, but some time it wont show those error, but i think it ok.