English verb conjugation
COULD WELSH

Regular verb: welsh - welshed - welshed

Affirmation

Simple form	V-ing form
I could welsh you could welsh she could welsh we could welsh you could welsh they could welsh	I could be welshing you could be welshing she could be welshing we could be welshing you could be welshing they could be welshing
Perfect	V-ing perfect
I could have welshed you could have welshed she could have welshed we could have welshed you could have welshed they could have welshed	I could have been welshing you could have been welshing she could have been welshing we could have been welshing you could have been welshing they could have been welshing

Negation

Simple form	V-ing form
I could not welsh you could not welsh she could not welsh we could not welsh you could not welsh they could not welsh	I could not be welshing you could not be welshing she could not be welshing we could not be welshing you could not be welshing they could not be welshing
Perfect	V-ing perfect
I could not have welshed you could not have welshed she could not have welshed we could not have welshed you could not have welshed they could not have welshed	I could not have been welshing you could not have been welshing she could not have been welshing we could not have been welshing you could not have been welshing they could not have been welshing

Interrogative form

Simple form	V-ing form
could I welsh? could you welsh? could she welsh? could we welsh? could you welsh? could they welsh?	could I be welshing? could you be welshing? could she be welshing? could we be welshing? could you be welshing? could they be welshing?
Perfect	V-ing perfect
could I have welshed? could you have welshed? could she have welshed? could we have welshed? could you have welshed? could they have welshed?	could I have been welshing? could you have been welshing? could she have been welshing? could we have been welshing? could you have been welshing? could they have been welshing?

Interro-negative form

Simple form	V-ing form
could I not welsh? could you not welsh? could she not welsh? could we not welsh? could you not welsh? could they not welsh?	could I not be welshing? could you not be welshing? could she not be welshing? could we not be welshing? could you not be welshing? could they not be welshing?
Perfect	V-ing perfect
could I not have welshed? could you not have welshed? could she not have welshed? could we not have welshed? could you not have welshed? could they not have welshed?	could I not have been welshing? could you not have been welshing? could she not have been welshing? could we not have been welshing? could you not have been welshing? could they not have been welshing?