must gap
Verbo regular: gap - gaped- gaped

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must gap
you must gap
she must gap
we must gap
you must gap
they must gap 	I must be gaping
you must be gaping
she must be gaping
we must be gaping
you must be gaping
they must be gaping	I must have gaped
you must have gaped
she must have gaped
we must have gaped
you must have gaped
they must have gaped	I must have been gaping
you must have been gaping
she must have been gaping
we must have been gaping
you must have been gaping
they must have been gaping	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not gap
you must not gap
she must not gap
we must not gap
you must not gap
they must not gap 	I must not be gaping
you must not be gaping
she must not be gaping
we must not be gaping
you must not be gaping
they must not be gaping	I must not have gaped
you must not have gaped
she must not have gaped
we must not have gaped
you must not have gaped
they must not have gaped	I must not have been gaping
you must not have been gaping
she must not have been gaping
we must not have been gaping
you must not have been gaping
they must not have been gaping	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I gap?
must you gap?
must she gap?
must we gap?
must you gap?
must they gap? 	must I be gaping?
must you be gaping?
must she be gaping?
must we be gaping?
must you be gaping?
must they be gaping? 	must I have gaped?
must you have gaped?
must she have gaped?
must we have gaped?
must you have gaped?
must they have gaped? 	must I have been gaping?
must you have been gaping?
must she have been gaping?
must we have been gaping?
must you have been gaping?
must they have been gaping? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not gap?
must you not gap?
must she not gap?
must we not gap?
must you not gap?
must they not gap? 	must I not be gaping?
must you not be gaping?
must she not be gaping?
must we not be gaping?
must you not be gaping?
must they not be gaping? 	must I not have gaped?
must you not have gaped?
must she not have gaped?
must we not have gaped?
must you not have gaped?
must they not have gaped? 	must I not have been gaping?
must you not have been gaping?
must she not have been gaping?
must we not have been gaping?
must you not have been gaping?
must they not have been gaping?