English verb conjugation TO HAPPEN
Regular verb: happen - happened - happened
Indicative
Present
-
-
do
es it not happen?
-
-
-
Present continuous
-
-
is it not happen
ing?
-
-
-
Preterite
-
-
did it not happen?
-
-
-
Preterite continuous
-
-
was it not happen
ing?
-
-
-
Present perfect
-
-
has it not happen
ed?
-
-
-
Present perfect continuous
-
-
has it not
been happen
ing?
-
-
-
Pluperfect
-
-
had it not happen
ed?
-
-
-
Pluperfect continuous
-
-
had it not been happen
ing?
-
-
-
Future
-
-
will it not happen?
-
-
-
Future continuous
-
-
will it not
be happen
ing?
-
-
-
Future perfect
-
-
will it not
have happen
ed?
-
-
-
Future perfect continuous
-
-
will it not
have been happen
ing?
-
-
-
Conditional
Present
-
-
would it not happen?
-
-
-
Present continuous
-
-
would it not
be happen
ing?
-
-
-
Past
-
-
would it not
have happen
ed?
-
-
-
Past continuous
-
-
would it not
have been happen
ing?
-
-
-
Imperative
Infinitive
Participle