must tickle
Verbo regular: tickle - tickled- tickled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must tickle
you must tickle
she must tickle
we must tickle
you must tickle
they must tickle 	I must be tickling
you must be tickling
she must be tickling
we must be tickling
you must be tickling
they must be tickling	I must have tickled
you must have tickled
she must have tickled
we must have tickled
you must have tickled
they must have tickled	I must have been tickling
you must have been tickling
she must have been tickling
we must have been tickling
you must have been tickling
they must have been tickling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not tickle
you must not tickle
she must not tickle
we must not tickle
you must not tickle
they must not tickle 	I must not be tickling
you must not be tickling
she must not be tickling
we must not be tickling
you must not be tickling
they must not be tickling	I must not have tickled
you must not have tickled
she must not have tickled
we must not have tickled
you must not have tickled
they must not have tickled	I must not have been tickling
you must not have been tickling
she must not have been tickling
we must not have been tickling
you must not have been tickling
they must not have been tickling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I tickle?
must you tickle?
must she tickle?
must we tickle?
must you tickle?
must they tickle? 	must I be tickling?
must you be tickling?
must she be tickling?
must we be tickling?
must you be tickling?
must they be tickling? 	must I have tickled?
must you have tickled?
must she have tickled?
must we have tickled?
must you have tickled?
must they have tickled? 	must I have been tickling?
must you have been tickling?
must she have been tickling?
must we have been tickling?
must you have been tickling?
must they have been tickling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not tickle?
must you not tickle?
must she not tickle?
must we not tickle?
must you not tickle?
must they not tickle? 	must I not be tickling?
must you not be tickling?
must she not be tickling?
must we not be tickling?
must you not be tickling?
must they not be tickling? 	must I not have tickled?
must you not have tickled?
must she not have tickled?
must we not have tickled?
must you not have tickled?
must they not have tickled? 	must I not have been tickling?
must you not have been tickling?
must she not have been tickling?
must we not have been tickling?
must you not have been tickling?
must they not have been tickling?