English verb conjugation
MUST TRICKLE

Regular verb: trickle - trickled - trickled

Affirmation

Simple form	V-ing form
I must trickle you must trickle she must trickle we must trickle you must trickle they must trickle	I must be trickling you must be trickling she must be trickling we must be trickling you must be trickling they must be trickling
Perfect	V-ing perfect
I must have trickled you must have trickled she must have trickled we must have trickled you must have trickled they must have trickled	I must have been trickling you must have been trickling she must have been trickling we must have been trickling you must have been trickling they must have been trickling

Negation

Simple form	V-ing form
I must not trickle you must not trickle she must not trickle we must not trickle you must not trickle they must not trickle	I must not be trickling you must not be trickling she must not be trickling we must not be trickling you must not be trickling they must not be trickling
Perfect	V-ing perfect
I must not have trickled you must not have trickled she must not have trickled we must not have trickled you must not have trickled they must not have trickled	I must not have been trickling you must not have been trickling she must not have been trickling we must not have been trickling you must not have been trickling they must not have been trickling

Interrogative form

Simple form	V-ing form
must I trickle? must you trickle? must she trickle? must we trickle? must you trickle? must they trickle?	must I be trickling? must you be trickling? must she be trickling? must we be trickling? must you be trickling? must they be trickling?
Perfect	V-ing perfect
must I have trickled? must you have trickled? must she have trickled? must we have trickled? must you have trickled? must they have trickled?	must I have been trickling? must you have been trickling? must she have been trickling? must we have been trickling? must you have been trickling? must they have been trickling?

Interro-negative form

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