to grumble
Regular verb: grumble - grumbled- grumbled

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
I don't grumble
you don't grumble
she doesn't grumble
we don't grumble
you don't grumble
they don't grumble 	I'mnot grumbling
youaren't grumbling
sheisn't grumbling
wearen't grumbling
youaren't grumbling
theyaren't grumbling	I didn't grumble
you didn't grumble
she didn't grumble
we didn't grumble
you didn't grumble
they didn't grumble 	Iwasn't grumbling
youweren't grumbling
shewasn't grumbling
weweren't grumbling
youweren't grumbling
theyweren't grumbling	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
I haven't grumbled
you haven't grumbled
she hasn't grumbled
we haven't grumbled
you haven't grumbled
they haven't grumbled	I haven't  been grumbling
you haven't  been grumbling
she hasn't  been grumbling
we haven't  been grumbling
you haven't  been grumbling
they haven't  been grumbling	I hadn't grumbled
you hadn't grumbled
she hadn't grumbled
we hadn't grumbled
you hadn't grumbled
they hadn't grumbled	I hadn't been grumbling
you hadn't been grumbling
she hadn't been grumbling
we hadn't been grumbling
you hadn't been grumbling
they hadn't been grumbling	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
I won't grumble
you won't grumble
she won't grumble
we won't grumble
you won't grumble
they won't grumble 	I won't be grumbling
you won't be grumbling
she won't be grumbling
we won't be grumbling
you won't be grumbling
they won't be grumbling	I won't have grumbled
you won't have grumbled
she won't have grumbled
we won't have grumbled
you won't have grumbled
they won't have grumbled	I won't have been grumbling
you won't have been grumbling
she won't have been grumbling
we won't have been grumbling
you won't have been grumbling
they won't have been grumbling	

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
I wouldn't grumble
you wouldn't grumble
she wouldn't grumble
we wouldn't grumble
you wouldn't grumble
they wouldn't grumble 	I wouldn't be grumbling
you wouldn't be grumbling
she wouldn't be grumbling
we wouldn't be grumbling
you wouldn't be grumbling
they wouldn't be grumbling	I wouldn't have grumbled
you wouldn't have grumbled
she wouldn't have grumbled
we wouldn't have grumbled
you wouldn't have grumbled
they wouldn't have grumbled	I wouldn't have been grumbling
you wouldn't have been grumbling
she wouldn't have been grumbling
we wouldn't have been grumbling
you wouldn't have been grumbling
they wouldn't have been grumbling	

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

Participle 	
Present 	Past 	 	 	
grumbling	grumbled