could suds
Regular verb: suds - sudsed- sudsed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could suds
you could suds
she could suds
we could suds
you could suds
they could suds 	I could be sudsing
you could be sudsing
she could be sudsing
we could be sudsing
you could be sudsing
they could be sudsing	I could have sudsed
you could have sudsed
she could have sudsed
we could have sudsed
you could have sudsed
they could have sudsed	I could have been sudsing
you could have been sudsing
she could have been sudsing
we could have been sudsing
you could have been sudsing
they could have been sudsing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not suds
you could not suds
she could not suds
we could not suds
you could not suds
they could not suds 	I could not be sudsing
you could not be sudsing
she could not be sudsing
we could not be sudsing
you could not be sudsing
they could not be sudsing	I could not have sudsed
you could not have sudsed
she could not have sudsed
we could not have sudsed
you could not have sudsed
they could not have sudsed	I could not have been sudsing
you could not have been sudsing
she could not have been sudsing
we could not have been sudsing
you could not have been sudsing
they could not have been sudsing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I suds?
could you suds?
could she suds?
could we suds?
could you suds?
could they suds? 	could I be sudsing?
could you be sudsing?
could she be sudsing?
could we be sudsing?
could you be sudsing?
could they be sudsing? 	could I have sudsed?
could you have sudsed?
could she have sudsed?
could we have sudsed?
could you have sudsed?
could they have sudsed? 	could I have been sudsing?
could you have been sudsing?
could she have been sudsing?
could we have been sudsing?
could you have been sudsing?
could they have been sudsing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not suds?
could you not suds?
could she not suds?
could we not suds?
could you not suds?
could they not suds? 	could I not be sudsing?
could you not be sudsing?
could she not be sudsing?
could we not be sudsing?
could you not be sudsing?
could they not be sudsing? 	could I not have sudsed?
could you not have sudsed?
could she not have sudsed?
could we not have sudsed?
could you not have sudsed?
could they not have sudsed? 	could I not have been sudsing?
could you not have been sudsing?
could she not have been sudsing?
could we not have been sudsing?
could you not have been sudsing?
could they not have been sudsing?