can tickle
Regular verb: tickle - tickled- tickled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can tickle
you can tickle
he can tickle
we can tickle
you can tickle
they can tickle 	I can be tickling
you can be tickling
he can be tickling
we can be tickling
you can be tickling
they can be tickling	I can have tickled
you can have tickled
he can have tickled
we can have tickled
you can have tickled
they can have tickled	I can have been tickling
you can have been tickling
he can have been tickling
we can have been tickling
you can have been tickling
they can have been tickling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't tickle
you can't tickle
he can't tickle
we can't tickle
you can't tickle
they can't tickle 	I can't be tickling
you can't be tickling
he can't be tickling
we can't be tickling
you can't be tickling
they can't be tickling	I can't have tickled
you can't have tickled
he can't have tickled
we can't have tickled
you can't have tickled
they can't have tickled	I can't have been tickling
you can't have been tickling
he can't have been tickling
we can't have been tickling
you can't have been tickling
they can't have been tickling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I tickle?
can you tickle?
can he tickle?
can we tickle?
can you tickle?
can they tickle? 	can I be tickling?
can you be tickling?
can he be tickling?
can we be tickling?
can you be tickling?
can they be tickling? 	can I have tickled?
can you have tickled?
can he have tickled?
can we have tickled?
can you have tickled?
can they have tickled? 	can I have been tickling?
can you have been tickling?
can he have been tickling?
can we have been tickling?
can you have been tickling?
can they have been tickling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I tickle?
can't you tickle?
can't he tickle?
can't we tickle?
can't you tickle?
can't they tickle? 	can't I be tickling?
can't you be tickling?
can't he be tickling?
can't we be tickling?
can't you be tickling?
can't they be tickling? 	can't I have tickled?
can't you have tickled?
can't he have tickled?
can't we have tickled?
can't you have tickled?
can't they have tickled? 	can't I have been tickling?
can't you have been tickling?
can't he have been tickling?
can't we have been tickling?
can't you have been tickling?
can't they have been tickling?