can deteriorate
Verbo regular: deteriorate - deteriorated- deteriorated

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can deteriorate
you can deteriorate
she can deteriorate
we can deteriorate
you can deteriorate
they can deteriorate 	I can be deteriorating
you can be deteriorating
she can be deteriorating
we can be deteriorating
you can be deteriorating
they can be deteriorating	I can have deteriorated
you can have deteriorated
she can have deteriorated
we can have deteriorated
you can have deteriorated
they can have deteriorated	I can have been deteriorating
you can have been deteriorating
she can have been deteriorating
we can have been deteriorating
you can have been deteriorating
they can have been deteriorating	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can't deteriorate
you can't deteriorate
she can't deteriorate
we can't deteriorate
you can't deteriorate
they can't deteriorate 	I can't be deteriorating
you can't be deteriorating
she can't be deteriorating
we can't be deteriorating
you can't be deteriorating
they can't be deteriorating	I can't have deteriorated
you can't have deteriorated
she can't have deteriorated
we can't have deteriorated
you can't have deteriorated
they can't have deteriorated	I can't have been deteriorating
you can't have been deteriorating
she can't have been deteriorating
we can't have been deteriorating
you can't have been deteriorating
they can't have been deteriorating	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I deteriorate?
can you deteriorate?
can she deteriorate?
can we deteriorate?
can you deteriorate?
can they deteriorate? 	can I be deteriorating?
can you be deteriorating?
can she be deteriorating?
can we be deteriorating?
can you be deteriorating?
can they be deteriorating? 	can I have deteriorated?
can you have deteriorated?
can she have deteriorated?
can we have deteriorated?
can you have deteriorated?
can they have deteriorated? 	can I have been deteriorating?
can you have been deteriorating?
can she have been deteriorating?
can we have been deteriorating?
can you have been deteriorating?
can they have been deteriorating? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can't I deteriorate?
can't you deteriorate?
can't she deteriorate?
can't we deteriorate?
can't you deteriorate?
can't they deteriorate? 	can't I be deteriorating?
can't you be deteriorating?
can't she be deteriorating?
can't we be deteriorating?
can't you be deteriorating?
can't they be deteriorating? 	can't I have deteriorated?
can't you have deteriorated?
can't she have deteriorated?
can't we have deteriorated?
can't you have deteriorated?
can't they have deteriorated? 	can't I have been deteriorating?
can't you have been deteriorating?
can't she have been deteriorating?
can't we have been deteriorating?
can't you have been deteriorating?
can't they have been deteriorating?