English verb conjugation
CAN TRICKLE

Regular verb: trickle - trickled - trickled

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
I cannot trickle you cannot trickle he cannot trickle we cannot trickle you cannot trickle they cannot trickle	I cannot be trickling you cannot be trickling he cannot be trickling we cannot be trickling you cannot be trickling they cannot be trickling
Perfect	V-ing perfect
I cannot have trickled you cannot have trickled he cannot have trickled we cannot have trickled you cannot have trickled they cannot have trickled	I cannot have been trickling you cannot have been trickling he cannot have been trickling we cannot have been trickling you cannot have been trickling they cannot have been trickling

Interrogative form

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