to complain
Regular verb: complain - complained- complained

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
I complain
you complain
he complains
we complain
you complain
they complain 	I'mcomplaining
you'recomplaining
he'scomplaining
we'recomplaining
you'recomplaining
they'recomplaining	I complained
you complained
he complained
we complained
you complained
they complained	Iwascomplaining
youwerecomplaining
hewascomplaining
wewerecomplaining
youwerecomplaining
theywerecomplaining	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
I've complained
you've complained
he's complained
we've complained
you've complained
they've complained	I'vebeen complaining
you'vebeen complaining
he'sbeen complaining
we'vebeen complaining
you'vebeen complaining
they'vebeen complaining	I'd complained
you'd complained
he'd complained
we'd complained
you'd complained
they'd complained	I'd been complaining
you'd been complaining
he'd been complaining
we'd been complaining
you'd been complaining
they'd been complaining	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
I'll complain
you'll complain
he'll complain
we'll complain
you'll complain
they'll complain 	I'll be complaining
you'll be complaining
he'll be complaining
we'll be complaining
you'll be complaining
they'll be complaining	I'll have complained
you'll have complained
he'll have complained
we'll have complained
you'll have complained
they'll have complained	I'll have been complaining
you'll have been complaining
he'll have been complaining
we'll have been complaining
you'll have been complaining
they'll have been complaining	

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
I'd complain
you'd complain
he'd complain
we'd complain
you'd complain
they'd complain 	I'd be complaining
you'd be complaining
he'd be complaining
we'd be complaining
you'd be complaining
they'd be complaining	I'd have complained
you'd have complained
he'd have complained
we'd have complained
you'd have complained
they'd have complained	I'd have been complaining
you'd have been complaining
he'd have been complaining
we'd have been complaining
you'd have been complaining
they'd have been complaining	

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to complain 	 	complain
Let's complain
complain 	 	

Participle 	
Present 	Past 	 	 	
complaining	complained