Simple present |
don't understand |
don't understand |
doesn't understand |
don't understand |
don't understand |
don't understand |
Present continuous |
am not understanding |
are not understanding |
is not understanding |
are not understanding |
are not understanding |
are not understanding |
Simple past |
didn't understand |
didn't understand |
didn't understand |
didn't understand |
didn't understand |
didn't understand |
Past continuous |
was not understanding |
were not understanding |
was not understanding |
were not understanding |
were not understanding |
were not understanding |
Simple future |
won't understand |
won't understand |
won't understand |
won't understand |
won't understand |
won't understand |
Future continuous |
will not be understanding |
will not be understanding |
will not be understanding |
will not be understanding |
will not be understanding |
will not be understanding |
Present perfect |
have not understood |
have not understood |
has not understood |
have not understood |
have not understood |
have not understood |
Present perfect continuous |
have not been understanding |
have not been understanding |
has not been understanding |
have not been understanding |
have not been understanding |
have not been understanding |
Present continuous |
am not understanding |
are not understanding |
is not understanding |
are not understanding |
are not understanding |
are not understanding |
Past perfect |
had not understood |
had not understood |
had not understood |
had not understood |
had not understood |
had not understood |
Past perfect continuous |
had not been understanding |
had not been understanding |
had not been understanding |
had not been understanding |
had not been understanding |
had not been understanding |
Future perfect |
will have not understood |
will have not understood |
will have not understood |
will have not understood |
will have not understood |
will have not understood |
Future perfect continuous |
will have not been understanding |
will have not been understanding |
will have not been understanding |
will have not been understanding |
will have not been understanding |
will have not been understanding |