to collaborate
Regular verb: collaborate - collaborated- collaborated

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
 don't I collaborate?
don't you collaborate?
doesn't she collaborate?
don't we collaborate?
don't you collaborate?
don't they collaborate? 	amI not collaborating?
aren't you collaborating?
isn't she collaborating?
aren't we collaborating?
aren't you collaborating?
aren't they collaborating? 	didn't I collaborate?
didn't you collaborate?
didn't she collaborate?
didn't we collaborate?
didn't you collaborate?
didn't they collaborate? 	wasn't I collaborating?
weren't you collaborating?
wasn't she collaborating?
weren't we collaborating?
weren't you collaborating?
weren't they collaborating? 	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
haven't I collaborated?
haven't you collaborated?
hasn't she collaborated?
haven't we collaborated?
haven't you collaborated?
haven't they collaborated? 	haven't I been collaborating?
haven't you been collaborating?
hasn't she been collaborating?
haven't we been collaborating?
haven't you been collaborating?
haven't they been collaborating? 	hadn't I collaborated?
hadn't you collaborated?
hadn't she collaborated?
hadn't we collaborated?
hadn't you collaborated?
hadn't they collaborated? 	hadn't I been collaborating?
hadn't you been collaborating?
hadn't she been collaborating?
hadn't we been collaborating?
hadn't you been collaborating?
hadn't they been collaborating? 	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
won't I collaborate?
won't you collaborate?
won't she collaborate?
won't we collaborate?
won't you collaborate?
won't they collaborate? 	won't I be collaborating?
won't you be collaborating?
won't she be collaborating?
won't we be collaborating?
won't you be collaborating?
won't they be collaborating? 	won't I have collaborated?
won't you have collaborated?
won't she have collaborated?
won't we have collaborated?
won't you have collaborated?
won't they have collaborated? 	won't I have been collaborating?
won't you have been collaborating?
won't she have been collaborating?
won't we have been collaborating?
won't you have been collaborating?
won't they have been collaborating? 	

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
wouldn't I collaborate?
wouldn't you collaborate?
wouldn't she collaborate?
wouldn't we collaborate?
wouldn't you collaborate?
wouldn't they collaborate? 	wouldn't I be collaborating?
wouldn't you be collaborating?
wouldn't she be collaborating?
wouldn't we be collaborating?
wouldn't you be collaborating?
wouldn't they be collaborating? 	wouldn't I have collaborated?
wouldn't you have collaborated?
wouldn't she have collaborated?
wouldn't we have collaborated?
wouldn't you have collaborated?
wouldn't they have collaborated? 	wouldn't I have been collaborating?
wouldn't you have been collaborating?
wouldn't she have been collaborating?
wouldn't we have been collaborating?
wouldn't you have been collaborating?
wouldn't they have been collaborating? 	

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to collaborate 	 	-
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- 	 	

Participle 	
Present 	Past 	 	 	
collaborating	collaborated