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
she may pretreat
we may pretreat
you may pretreat
they may pretreat 	I may be pretreating
you may be pretreating
she may be pretreating
we may be pretreating
you may be pretreating
they may be pretreating	I may have pretreated
you may have pretreated
she 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
she 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 may not pretreat
you may not pretreat
she may not pretreat
we may not pretreat
you may not pretreat
they may not pretreat 	I may not be pretreating
you may not be pretreating
she may not be pretreating
we may not be pretreating
you may not be pretreating
they may not be pretreating	I may not have pretreated
you may not have pretreated
she may not have pretreated
we may not have pretreated
you may not have pretreated
they may not have pretreated	I may not have been pretreating
you may not have been pretreating
she may not have been pretreating
we may not have been pretreating
you may not have been pretreating
they may not have been pretreating	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I pretreat?
may you pretreat?
may she pretreat?
may we pretreat?
may you pretreat?
may they pretreat? 	may I be pretreating?
may you be pretreating?
may she be pretreating?
may we be pretreating?
may you be pretreating?
may they be pretreating? 	may I have pretreated?
may you have pretreated?
may she 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 she 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 	
may I not pretreat?
may you not pretreat?
may she not pretreat?
may we not pretreat?
may you not pretreat?
may they not pretreat? 	may I not be pretreating?
may you not be pretreating?
may she not be pretreating?
may we not be pretreating?
may you not be pretreating?
may they not be pretreating? 	may I not have pretreated?
may you not have pretreated?
may she not have pretreated?
may we not have pretreated?
may you not have pretreated?
may they not have pretreated? 	may I not have been pretreating?
may you not have been pretreating?
may she not have been pretreating?
may we not have been pretreating?
may you not have been pretreating?
may they not have been pretreating?