English verb conjugation
COULD WELSH

Regular verb: welsh - welshed - welshed

Affirmation

Simple form	V-ing form
I could welsh you could welsh he could welsh we could welsh you could welsh they could welsh	I could be welshing you could be welshing he 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 he 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 he 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 couldn't welsh you couldn't welsh he couldn't welsh we couldn't welsh you couldn't welsh they couldn't welsh	I couldn't be welshing you couldn't be welshing he couldn't be welshing we couldn't be welshing you couldn't be welshing they couldn't be welshing
Perfect	V-ing perfect
I couldn't have welshed you couldn't have welshed he couldn't have welshed we couldn't have welshed you couldn't have welshed they couldn't have welshed	I couldn't have been welshing you couldn't have been welshing he couldn't have been welshing we couldn't have been welshing you couldn't have been welshing they couldn't have been welshing

Interrogative form

Simple form	V-ing form
could I welsh? could you welsh? could he welsh? could we welsh? could you welsh? could they welsh?	could I be welshing? could you be welshing? could he 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 he 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 he 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
couldn't I welsh? couldn't you welsh? couldn't he welsh? couldn't we welsh? couldn't you welsh? couldn't they welsh?	couldn't I be welshing? couldn't you be welshing? couldn't he be welshing? couldn't we be welshing? couldn't you be welshing? couldn't they be welshing?
Perfect	V-ing perfect
couldn't I have welshed? couldn't you have welshed? couldn't he have welshed? couldn't we have welshed? couldn't you have welshed? couldn't they have welshed?	couldn't I have been welshing? couldn't you have been welshing? couldn't he have been welshing? couldn't we have been welshing? couldn't you have been welshing? couldn't they have been welshing?