to collaborate
Regular verb: collaborate - collaborated- collaborated

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

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

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

Participle 	
Present 	Past 	 	 	
collaborating	collaborated