could detect
Verbo regolare: detect - detected- detected

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could detect
you could detect
he could detect
we could detect
you could detect
they could detect 	I could be detecting
you could be detecting
he could be detecting
we could be detecting
you could be detecting
they could be detecting	I could have detected
you could have detected
he could have detected
we could have detected
you could have detected
they could have detected	I could have been detecting
you could have been detecting
he could have been detecting
we could have been detecting
you could have been detecting
they could have been detecting	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I couldn't detect
you couldn't detect
he couldn't detect
we couldn't detect
you couldn't detect
they couldn't detect 	I couldn't be detecting
you couldn't be detecting
he couldn't be detecting
we couldn't be detecting
you couldn't be detecting
they couldn't be detecting	I couldn't have detected
you couldn't have detected
he couldn't have detected
we couldn't have detected
you couldn't have detected
they couldn't have detected	I couldn't have been detecting
you couldn't have been detecting
he couldn't have been detecting
we couldn't have been detecting
you couldn't have been detecting
they couldn't have been detecting	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I detect?
could you detect?
could he detect?
could we detect?
could you detect?
could they detect? 	could I be detecting?
could you be detecting?
could he be detecting?
could we be detecting?
could you be detecting?
could they be detecting? 	could I have detected?
could you have detected?
could he have detected?
could we have detected?
could you have detected?
could they have detected? 	could I have been detecting?
could you have been detecting?
could he have been detecting?
could we have been detecting?
could you have been detecting?
could they have been detecting? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
couldn't I detect?
couldn't you detect?
couldn't he detect?
couldn't we detect?
couldn't you detect?
couldn't they detect? 	couldn't I be detecting?
couldn't you be detecting?
couldn't he be detecting?
couldn't we be detecting?
couldn't you be detecting?
couldn't they be detecting? 	couldn't I have detected?
couldn't you have detected?
couldn't he have detected?
couldn't we have detected?
couldn't you have detected?
couldn't they have detected? 	couldn't I have been detecting?
couldn't you have been detecting?
couldn't he have been detecting?
couldn't we have been detecting?
couldn't you have been detecting?
couldn't they have been detecting?