could dowse
Regular verb: dowse - dowsed- dowsed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could dowse
you could dowse
he could dowse
we could dowse
you could dowse
they could dowse 	I could be dowsing
you could be dowsing
he could be dowsing
we could be dowsing
you could be dowsing
they could be dowsing	I could have dowsed
you could have dowsed
he could have dowsed
we could have dowsed
you could have dowsed
they could have dowsed	I could have been dowsing
you could have been dowsing
he could have been dowsing
we could have been dowsing
you could have been dowsing
they could have been dowsing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not dowse
you could not dowse
he could not dowse
we could not dowse
you could not dowse
they could not dowse 	I could not be dowsing
you could not be dowsing
he could not be dowsing
we could not be dowsing
you could not be dowsing
they could not be dowsing	I could not have dowsed
you could not have dowsed
he could not have dowsed
we could not have dowsed
you could not have dowsed
they could not have dowsed	I could not have been dowsing
you could not have been dowsing
he could not have been dowsing
we could not have been dowsing
you could not have been dowsing
they could not have been dowsing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I dowse?
could you dowse?
could he dowse?
could we dowse?
could you dowse?
could they dowse? 	could I be dowsing?
could you be dowsing?
could he be dowsing?
could we be dowsing?
could you be dowsing?
could they be dowsing? 	could I have dowsed?
could you have dowsed?
could he have dowsed?
could we have dowsed?
could you have dowsed?
could they have dowsed? 	could I have been dowsing?
could you have been dowsing?
could he have been dowsing?
could we have been dowsing?
could you have been dowsing?
could they have been dowsing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not dowse?
could you not dowse?
could he not dowse?
could we not dowse?
could you not dowse?
could they not dowse? 	could I not be dowsing?
could you not be dowsing?
could he not be dowsing?
could we not be dowsing?
could you not be dowsing?
could they not be dowsing? 	could I not have dowsed?
could you not have dowsed?
could he not have dowsed?
could we not have dowsed?
could you not have dowsed?
could they not have dowsed? 	could I not have been dowsing?
could you not have been dowsing?
could he not have been dowsing?
could we not have been dowsing?
could you not have been dowsing?
could they not have been dowsing?