English verb conjugation
CAN WELSH

Regular verb: welsh - welshed - welshed

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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