to grump
Regular verb: grump - grumped- grumped

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
I don't grump
you don't grump
he doesn't grump
we don't grump
you don't grump
they don't grump 	I'mnot grumping
youaren't grumping
heisn't grumping
wearen't grumping
youaren't grumping
theyaren't grumping	I didn't grump
you didn't grump
he didn't grump
we didn't grump
you didn't grump
they didn't grump 	Iwasn't grumping
youweren't grumping
hewasn't grumping
weweren't grumping
youweren't grumping
theyweren't grumping	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
I haven't grumped
you haven't grumped
he hasn't grumped
we haven't grumped
you haven't grumped
they haven't grumped	I haven't  been grumping
you haven't  been grumping
he hasn't  been grumping
we haven't  been grumping
you haven't  been grumping
they haven't  been grumping	I hadn't grumped
you hadn't grumped
he hadn't grumped
we hadn't grumped
you hadn't grumped
they hadn't grumped	I hadn't been grumping
you hadn't been grumping
he hadn't been grumping
we hadn't been grumping
you hadn't been grumping
they hadn't been grumping	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
I won't grump
you won't grump
he won't grump
we won't grump
you won't grump
they won't grump 	I won't be grumping
you won't be grumping
he won't be grumping
we won't be grumping
you won't be grumping
they won't be grumping	I won't have grumped
you won't have grumped
he won't have grumped
we won't have grumped
you won't have grumped
they won't have grumped	I won't have been grumping
you won't have been grumping
he won't have been grumping
we won't have been grumping
you won't have been grumping
they won't have been grumping	

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
I wouldn't grump
you wouldn't grump
he wouldn't grump
we wouldn't grump
you wouldn't grump
they wouldn't grump 	I wouldn't be grumping
you wouldn't be grumping
he wouldn't be grumping
we wouldn't be grumping
you wouldn't be grumping
they wouldn't be grumping	I wouldn't have grumped
you wouldn't have grumped
he wouldn't have grumped
we wouldn't have grumped
you wouldn't have grumped
they wouldn't have grumped	I wouldn't have been grumping
you wouldn't have been grumping
he wouldn't have been grumping
we wouldn't have been grumping
you wouldn't have been grumping
they wouldn't have been grumping	

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to grump 	 	do not grump
Let's not grump
do not grump 	 	

Participle 	
Present 	Past 	 	 	
grumping	grumped