can trickle
Regular verb: trickle - trickled- trickled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can trickle
you can trickle
he can trickle
we can trickle
you can trickle
they can trickle 	I can be trickling
you can be trickling
he can be trickling
we can be trickling
you can be trickling
they can be trickling	I can have trickled
you can have trickled
he can have trickled
we can have trickled
you can have trickled
they can have trickled	I can have been trickling
you can have been trickling
he can have been trickling
we can have been trickling
you can have been trickling
they can have been trickling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't trickle
you can't trickle
he can't trickle
we can't trickle
you can't trickle
they can't trickle 	I can't be trickling
you can't be trickling
he can't be trickling
we can't be trickling
you can't be trickling
they can't be trickling	I can't have trickled
you can't have trickled
he can't have trickled
we can't have trickled
you can't have trickled
they can't have trickled	I can't have been trickling
you can't have been trickling
he can't have been trickling
we can't have been trickling
you can't have been trickling
they can't have been trickling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I trickle?
can you trickle?
can he trickle?
can we trickle?
can you trickle?
can they trickle? 	can I be trickling?
can you be trickling?
can he be trickling?
can we be trickling?
can you be trickling?
can they be trickling? 	can I have trickled?
can you have trickled?
can he have trickled?
can we have trickled?
can you have trickled?
can they have trickled? 	can I have been trickling?
can you have been trickling?
can he have been trickling?
can we have been trickling?
can you have been trickling?
can they have been trickling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I trickle?
can't you trickle?
can't he trickle?
can't we trickle?
can't you trickle?
can't they trickle? 	can't I be trickling?
can't you be trickling?
can't he be trickling?
can't we be trickling?
can't you be trickling?
can't they be trickling? 	can't I have trickled?
can't you have trickled?
can't he have trickled?
can't we have trickled?
can't you have trickled?
can't they have trickled? 	can't I have been trickling?
can't you have been trickling?
can't he have been trickling?
can't we have been trickling?
can't you have been trickling?
can't they have been trickling?