to collaborate
Regular verb: collaborate - collaborated- collaborated

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
I collaborate
you collaborate
she collaborates
we collaborate
you collaborate
they collaborate 	I'mcollaborating
you'recollaborating
she'scollaborating
we'recollaborating
you'recollaborating
they'recollaborating	I collaborated
you collaborated
she collaborated
we collaborated
you collaborated
they collaborated	Iwascollaborating
youwerecollaborating
shewascollaborating
wewerecollaborating
youwerecollaborating
theywerecollaborating	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
I've collaborated
you've collaborated
she's collaborated
we've collaborated
you've collaborated
they've collaborated	I'vebeen collaborating
you'vebeen collaborating
she'sbeen collaborating
we'vebeen collaborating
you'vebeen collaborating
they'vebeen collaborating	I'd collaborated
you'd collaborated
she'd collaborated
we'd collaborated
you'd collaborated
they'd collaborated	I'd been collaborating
you'd been collaborating
she'd been collaborating
we'd been collaborating
you'd been collaborating
they'd been collaborating	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
I'll collaborate
you'll collaborate
she'll collaborate
we'll collaborate
you'll collaborate
they'll collaborate 	I'll be collaborating
you'll be collaborating
she'll be collaborating
we'll be collaborating
you'll be collaborating
they'll be collaborating	I'll have collaborated
you'll have collaborated
she'll have collaborated
we'll have collaborated
you'll have collaborated
they'll have collaborated	I'll have been collaborating
you'll have been collaborating
she'll have been collaborating
we'll have been collaborating
you'll have been collaborating
they'll have been collaborating	

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
I'd collaborate
you'd collaborate
she'd collaborate
we'd collaborate
you'd collaborate
they'd collaborate 	I'd be collaborating
you'd be collaborating
she'd be collaborating
we'd be collaborating
you'd be collaborating
they'd be collaborating	I'd have collaborated
you'd have collaborated
she'd have collaborated
we'd have collaborated
you'd have collaborated
they'd have collaborated	I'd have been collaborating
you'd have been collaborating
she'd have been collaborating
we'd have been collaborating
you'd have been collaborating
they'd have been collaborating	

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to collaborate 	 	collaborate
Let's collaborate
collaborate 	 	

Participle 	
Present 	Past 	 	 	
collaborating	collaborated