may pretreat
Verbo regular: pretreat - pretreated- pretreated

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may pretreat
you may pretreat
he may pretreat
we may pretreat
you may pretreat
they may pretreat 	I may be pretreating
you may be pretreating
he may be pretreating
we may be pretreating
you may be pretreating
they may be pretreating	I may have pretreated
you may have pretreated
he may have pretreated
we may have pretreated
you may have pretreated
they may have pretreated	I may have been pretreating
you may have been pretreating
he may have been pretreating
we may have been pretreating
you may have been pretreating
they may have been pretreating	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mayn't pretreat
you mayn't pretreat
he mayn't pretreat
we mayn't pretreat
you mayn't pretreat
they mayn't pretreat 	I mayn't be pretreating
you mayn't be pretreating
he mayn't be pretreating
we mayn't be pretreating
you mayn't be pretreating
they mayn't be pretreating	I mayn't have pretreated
you mayn't have pretreated
he mayn't have pretreated
we mayn't have pretreated
you mayn't have pretreated
they mayn't have pretreated	I mayn't have been pretreating
you mayn't have been pretreating
he mayn't have been pretreating
we mayn't have been pretreating
you mayn't have been pretreating
they mayn't have been pretreating	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I pretreat?
may you pretreat?
may he pretreat?
may we pretreat?
may you pretreat?
may they pretreat? 	may I be pretreating?
may you be pretreating?
may he be pretreating?
may we be pretreating?
may you be pretreating?
may they be pretreating? 	may I have pretreated?
may you have pretreated?
may he have pretreated?
may we have pretreated?
may you have pretreated?
may they have pretreated? 	may I have been pretreating?
may you have been pretreating?
may he have been pretreating?
may we have been pretreating?
may you have been pretreating?
may they have been pretreating? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mayn't I pretreat?
mayn't you pretreat?
mayn't he pretreat?
mayn't we pretreat?
mayn't you pretreat?
mayn't they pretreat? 	mayn't I be pretreating?
mayn't you be pretreating?
mayn't he be pretreating?
mayn't we be pretreating?
mayn't you be pretreating?
mayn't they be pretreating? 	mayn't I have pretreated?
mayn't you have pretreated?
mayn't he have pretreated?
mayn't we have pretreated?
mayn't you have pretreated?
mayn't they have pretreated? 	mayn't I have been pretreating?
mayn't you have been pretreating?
mayn't he have been pretreating?
mayn't we have been pretreating?
mayn't you have been pretreating?
mayn't they have been pretreating?