English verb conjugation
COULD TELEGRAPH

Regular verb: telegraph - telegraphed - telegraphed

Affirmation

Simple form	V-ing form
I could telegraph you could telegraph he could telegraph we could telegraph you could telegraph they could telegraph	I could be telegraphing you could be telegraphing he could be telegraphing we could be telegraphing you could be telegraphing they could be telegraphing
Perfect	V-ing perfect
I could have telegraphed you could have telegraphed he could have telegraphed we could have telegraphed you could have telegraphed they could have telegraphed	I could have been telegraphing you could have been telegraphing he could have been telegraphing we could have been telegraphing you could have been telegraphing they could have been telegraphing

Negation

Simple form	V-ing form
I couldn't telegraph you couldn't telegraph he couldn't telegraph we couldn't telegraph you couldn't telegraph they couldn't telegraph	I couldn't be telegraphing you couldn't be telegraphing he couldn't be telegraphing we couldn't be telegraphing you couldn't be telegraphing they couldn't be telegraphing
Perfect	V-ing perfect
I couldn't have telegraphed you couldn't have telegraphed he couldn't have telegraphed we couldn't have telegraphed you couldn't have telegraphed they couldn't have telegraphed	I couldn't have been telegraphing you couldn't have been telegraphing he couldn't have been telegraphing we couldn't have been telegraphing you couldn't have been telegraphing they couldn't have been telegraphing

Interrogative form

Simple form	V-ing form
could I telegraph? could you telegraph? could he telegraph? could we telegraph? could you telegraph? could they telegraph?	could I be telegraphing? could you be telegraphing? could he be telegraphing? could we be telegraphing? could you be telegraphing? could they be telegraphing?
Perfect	V-ing perfect
could I have telegraphed? could you have telegraphed? could he have telegraphed? could we have telegraphed? could you have telegraphed? could they have telegraphed?	could I have been telegraphing? could you have been telegraphing? could he have been telegraphing? could we have been telegraphing? could you have been telegraphing? could they have been telegraphing?

Interro-negative form

Simple form	V-ing form
couldn't I telegraph? couldn't you telegraph? couldn't he telegraph? couldn't we telegraph? couldn't you telegraph? couldn't they telegraph?	couldn't I be telegraphing? couldn't you be telegraphing? couldn't he be telegraphing? couldn't we be telegraphing? couldn't you be telegraphing? couldn't they be telegraphing?
Perfect	V-ing perfect
couldn't I have telegraphed? couldn't you have telegraphed? couldn't he have telegraphed? couldn't we have telegraphed? couldn't you have telegraphed? couldn't they have telegraphed?	couldn't I have been telegraphing? couldn't you have been telegraphing? couldn't he have been telegraphing? couldn't we have been telegraphing? couldn't you have been telegraphing? couldn't they have been telegraphing?