may collaborate
Verbo regular: collaborate - collaborated- collaborated

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may collaborate
you may collaborate
he may collaborate
we may collaborate
you may collaborate
they may collaborate 	I may be collaborating
you may be collaborating
he may be collaborating
we may be collaborating
you may be collaborating
they may be collaborating	I may have collaborated
you may have collaborated
he may have collaborated
we may have collaborated
you may have collaborated
they may have collaborated	I may have been collaborating
you may have been collaborating
he may have been collaborating
we may have been collaborating
you may have been collaborating
they may have been collaborating	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may not collaborate
you may not collaborate
he may not collaborate
we may not collaborate
you may not collaborate
they may not collaborate 	I may not be collaborating
you may not be collaborating
he may not be collaborating
we may not be collaborating
you may not be collaborating
they may not be collaborating	I may not have collaborated
you may not have collaborated
he may not have collaborated
we may not have collaborated
you may not have collaborated
they may not have collaborated	I may not have been collaborating
you may not have been collaborating
he may not have been collaborating
we may not have been collaborating
you may not have been collaborating
they may not have been collaborating	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I collaborate?
may you collaborate?
may he collaborate?
may we collaborate?
may you collaborate?
may they collaborate? 	may I be collaborating?
may you be collaborating?
may he be collaborating?
may we be collaborating?
may you be collaborating?
may they be collaborating? 	may I have collaborated?
may you have collaborated?
may he have collaborated?
may we have collaborated?
may you have collaborated?
may they have collaborated? 	may I have been collaborating?
may you have been collaborating?
may he have been collaborating?
may we have been collaborating?
may you have been collaborating?
may they have been collaborating? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I not collaborate?
may you not collaborate?
may he not collaborate?
may we not collaborate?
may you not collaborate?
may they not collaborate? 	may I not be collaborating?
may you not be collaborating?
may he not be collaborating?
may we not be collaborating?
may you not be collaborating?
may they not be collaborating? 	may I not have collaborated?
may you not have collaborated?
may he not have collaborated?
may we not have collaborated?
may you not have collaborated?
may they not have collaborated? 	may I not have been collaborating?
may you not have been collaborating?
may he not have been collaborating?
may we not have been collaborating?
may you not have been collaborating?
may they not have been collaborating?