English verb conjugation
CAN TELEGRAPH

Regular verb: telegraph - telegraphed - telegraphed

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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