must stimulate
Verbo regular: stimulate - stimulated- stimulated

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must stimulate
you must stimulate
she must stimulate
we must stimulate
you must stimulate
they must stimulate 	I must be stimulating
you must be stimulating
she must be stimulating
we must be stimulating
you must be stimulating
they must be stimulating	I must have stimulated
you must have stimulated
she must have stimulated
we must have stimulated
you must have stimulated
they must have stimulated	I must have been stimulating
you must have been stimulating
she must have been stimulating
we must have been stimulating
you must have been stimulating
they must have been stimulating	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't stimulate
you mustn't stimulate
she mustn't stimulate
we mustn't stimulate
you mustn't stimulate
they mustn't stimulate 	I mustn't be stimulating
you mustn't be stimulating
she mustn't be stimulating
we mustn't be stimulating
you mustn't be stimulating
they mustn't be stimulating	I mustn't have stimulated
you mustn't have stimulated
she mustn't have stimulated
we mustn't have stimulated
you mustn't have stimulated
they mustn't have stimulated	I mustn't have been stimulating
you mustn't have been stimulating
she mustn't have been stimulating
we mustn't have been stimulating
you mustn't have been stimulating
they mustn't have been stimulating	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I stimulate?
must you stimulate?
must she stimulate?
must we stimulate?
must you stimulate?
must they stimulate? 	must I be stimulating?
must you be stimulating?
must she be stimulating?
must we be stimulating?
must you be stimulating?
must they be stimulating? 	must I have stimulated?
must you have stimulated?
must she have stimulated?
must we have stimulated?
must you have stimulated?
must they have stimulated? 	must I have been stimulating?
must you have been stimulating?
must she have been stimulating?
must we have been stimulating?
must you have been stimulating?
must they have been stimulating? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I stimulate?
mustn't you stimulate?
mustn't she stimulate?
mustn't we stimulate?
mustn't you stimulate?
mustn't they stimulate? 	mustn't I be stimulating?
mustn't you be stimulating?
mustn't she be stimulating?
mustn't we be stimulating?
mustn't you be stimulating?
mustn't they be stimulating? 	mustn't I have stimulated?
mustn't you have stimulated?
mustn't she have stimulated?
mustn't we have stimulated?
mustn't you have stimulated?
mustn't they have stimulated? 	mustn't I have been stimulating?
mustn't you have been stimulating?
mustn't she have been stimulating?
mustn't we have been stimulating?
mustn't you have been stimulating?
mustn't they have been stimulating?