English verb conjugation
COULD SUDS

Regular verb: suds - sudsed - sudsed

Affirmation

Simple form	V-ing form
I could suds you could suds he could suds we could suds you could suds they could suds	I could be sudsing you could be sudsing he could be sudsing we could be sudsing you could be sudsing they could be sudsing
Perfect	V-ing perfect
I could have sudsed you could have sudsed he 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 he 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
I couldn't suds you couldn't suds he couldn't suds we couldn't suds you couldn't suds they couldn't suds	I couldn't be sudsing you couldn't be sudsing he couldn't be sudsing we couldn't be sudsing you couldn't be sudsing they couldn't be sudsing
Perfect	V-ing perfect
I couldn't have sudsed you couldn't have sudsed he couldn't have sudsed we couldn't have sudsed you couldn't have sudsed they couldn't have sudsed	I couldn't have been sudsing you couldn't have been sudsing he couldn't have been sudsing we couldn't have been sudsing you couldn't have been sudsing they couldn't have been sudsing

Interrogative form

Simple form	V-ing form
could I suds? could you suds? could he suds? could we suds? could you suds? could they suds?	could I be sudsing? could you be sudsing? could he be sudsing? could we be sudsing? could you be sudsing? could they be sudsing?
Perfect	V-ing perfect
could I have sudsed? could you have sudsed? could he 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 he 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
couldn't I suds? couldn't you suds? couldn't he suds? couldn't we suds? couldn't you suds? couldn't they suds?	couldn't I be sudsing? couldn't you be sudsing? couldn't he be sudsing? couldn't we be sudsing? couldn't you be sudsing? couldn't they be sudsing?
Perfect	V-ing perfect
couldn't I have sudsed? couldn't you have sudsed? couldn't he have sudsed? couldn't we have sudsed? couldn't you have sudsed? couldn't they have sudsed?	couldn't I have been sudsing? couldn't you have been sudsing? couldn't he have been sudsing? couldn't we have been sudsing? couldn't you have been sudsing? couldn't they have been sudsing?