must plan
Verbo regular: plan - planned- planned

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must plan
you must plan
he must plan
we must plan
you must plan
they must plan 	I must be planning
you must be planning
he must be planning
we must be planning
you must be planning
they must be planning	I must have planned
you must have planned
he must have planned
we must have planned
you must have planned
they must have planned	I must have been planning
you must have been planning
he must have been planning
we must have been planning
you must have been planning
they must have been planning	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not plan
you must not plan
he must not plan
we must not plan
you must not plan
they must not plan 	I must not be planning
you must not be planning
he must not be planning
we must not be planning
you must not be planning
they must not be planning	I must not have planned
you must not have planned
he must not have planned
we must not have planned
you must not have planned
they must not have planned	I must not have been planning
you must not have been planning
he must not have been planning
we must not have been planning
you must not have been planning
they must not have been planning	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I plan?
must you plan?
must he plan?
must we plan?
must you plan?
must they plan? 	must I be planning?
must you be planning?
must he be planning?
must we be planning?
must you be planning?
must they be planning? 	must I have planned?
must you have planned?
must he have planned?
must we have planned?
must you have planned?
must they have planned? 	must I have been planning?
must you have been planning?
must he have been planning?
must we have been planning?
must you have been planning?
must they have been planning? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not plan?
must you not plan?
must he not plan?
must we not plan?
must you not plan?
must they not plan? 	must I not be planning?
must you not be planning?
must he not be planning?
must we not be planning?
must you not be planning?
must they not be planning? 	must I not have planned?
must you not have planned?
must he not have planned?
must we not have planned?
must you not have planned?
must they not have planned? 	must I not have been planning?
must you not have been planning?
must he not have been planning?
must we not have been planning?
must you not have been planning?
must they not have been planning?