may deteriorate
Verbo regolare: deteriorate - deteriorated- deteriorated

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I may deteriorate
you may deteriorate
she may deteriorate
we may deteriorate
you may deteriorate
they may deteriorate 	I may be deteriorating
you may be deteriorating
she may be deteriorating
we may be deteriorating
you may be deteriorating
they may be deteriorating	I may have deteriorated
you may have deteriorated
she may have deteriorated
we may have deteriorated
you may have deteriorated
they may have deteriorated	I may have been deteriorating
you may have been deteriorating
she may have been deteriorating
we may have been deteriorating
you may have been deteriorating
they may have been deteriorating	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I may not deteriorate
you may not deteriorate
she may not deteriorate
we may not deteriorate
you may not deteriorate
they may not deteriorate 	I may not be deteriorating
you may not be deteriorating
she may not be deteriorating
we may not be deteriorating
you may not be deteriorating
they may not be deteriorating	I may not have deteriorated
you may not have deteriorated
she may not have deteriorated
we may not have deteriorated
you may not have deteriorated
they may not have deteriorated	I may not have been deteriorating
you may not have been deteriorating
she may not have been deteriorating
we may not have been deteriorating
you may not have been deteriorating
they may not have been deteriorating	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
may I deteriorate?
may you deteriorate?
may she deteriorate?
may we deteriorate?
may you deteriorate?
may they deteriorate? 	may I be deteriorating?
may you be deteriorating?
may she be deteriorating?
may we be deteriorating?
may you be deteriorating?
may they be deteriorating? 	may I have deteriorated?
may you have deteriorated?
may she have deteriorated?
may we have deteriorated?
may you have deteriorated?
may they have deteriorated? 	may I have been deteriorating?
may you have been deteriorating?
may she have been deteriorating?
may we have been deteriorating?
may you have been deteriorating?
may they have been deteriorating? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
may I not deteriorate?
may you not deteriorate?
may she not deteriorate?
may we not deteriorate?
may you not deteriorate?
may they not deteriorate? 	may I not be deteriorating?
may you not be deteriorating?
may she not be deteriorating?
may we not be deteriorating?
may you not be deteriorating?
may they not be deteriorating? 	may I not have deteriorated?
may you not have deteriorated?
may she not have deteriorated?
may we not have deteriorated?
may you not have deteriorated?
may they not have deteriorated? 	may I not have been deteriorating?
may you not have been deteriorating?
may she not have been deteriorating?
may we not have been deteriorating?
may you not have been deteriorating?
may they not have been deteriorating?