can troll
Regular verb: troll - trolled- trolled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can troll
you can troll
he can troll
we can troll
you can troll
they can troll 	I can be trolling
you can be trolling
he can be trolling
we can be trolling
you can be trolling
they can be trolling	I can have trolled
you can have trolled
he can have trolled
we can have trolled
you can have trolled
they can have trolled	I can have been trolling
you can have been trolling
he can have been trolling
we can have been trolling
you can have been trolling
they can have been trolling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't troll
you can't troll
he can't troll
we can't troll
you can't troll
they can't troll 	I can't be trolling
you can't be trolling
he can't be trolling
we can't be trolling
you can't be trolling
they can't be trolling	I can't have trolled
you can't have trolled
he can't have trolled
we can't have trolled
you can't have trolled
they can't have trolled	I can't have been trolling
you can't have been trolling
he can't have been trolling
we can't have been trolling
you can't have been trolling
they can't have been trolling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I troll?
can you troll?
can he troll?
can we troll?
can you troll?
can they troll? 	can I be trolling?
can you be trolling?
can he be trolling?
can we be trolling?
can you be trolling?
can they be trolling? 	can I have trolled?
can you have trolled?
can he have trolled?
can we have trolled?
can you have trolled?
can they have trolled? 	can I have been trolling?
can you have been trolling?
can he have been trolling?
can we have been trolling?
can you have been trolling?
can they have been trolling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I troll?
can't you troll?
can't he troll?
can't we troll?
can't you troll?
can't they troll? 	can't I be trolling?
can't you be trolling?
can't he be trolling?
can't we be trolling?
can't you be trolling?
can't they be trolling? 	can't I have trolled?
can't you have trolled?
can't he have trolled?
can't we have trolled?
can't you have trolled?
can't they have trolled? 	can't I have been trolling?
can't you have been trolling?
can't he have been trolling?
can't we have been trolling?
can't you have been trolling?
can't they have been trolling?