English verb conjugation
COULD RADIOTELEGRAPH

Regular verb: radiotelegraph - radiotelegraphed - radiotelegraphed

Affirmation

Simple form	V-ing form
I could radiotelegraph you could radiotelegraph she could radiotelegraph we could radiotelegraph you could radiotelegraph they could radiotelegraph	I could be radiotelegraphing you could be radiotelegraphing she could be radiotelegraphing we could be radiotelegraphing you could be radiotelegraphing they could be radiotelegraphing
Perfect	V-ing perfect
I could have radiotelegraphed you could have radiotelegraphed she could have radiotelegraphed we could have radiotelegraphed you could have radiotelegraphed they could have radiotelegraphed	I could have been radiotelegraphing you could have been radiotelegraphing she could have been radiotelegraphing we could have been radiotelegraphing you could have been radiotelegraphing they could have been radiotelegraphing

Negation

Simple form	V-ing form
I couldn't radiotelegraph you couldn't radiotelegraph she couldn't radiotelegraph we couldn't radiotelegraph you couldn't radiotelegraph they couldn't radiotelegraph	I couldn't be radiotelegraphing you couldn't be radiotelegraphing she couldn't be radiotelegraphing we couldn't be radiotelegraphing you couldn't be radiotelegraphing they couldn't be radiotelegraphing
Perfect	V-ing perfect
I couldn't have radiotelegraphed you couldn't have radiotelegraphed she couldn't have radiotelegraphed we couldn't have radiotelegraphed you couldn't have radiotelegraphed they couldn't have radiotelegraphed	I couldn't have been radiotelegraphing you couldn't have been radiotelegraphing she couldn't have been radiotelegraphing we couldn't have been radiotelegraphing you couldn't have been radiotelegraphing they couldn't have been radiotelegraphing

Interrogative form

Simple form	V-ing form
could I radiotelegraph? could you radiotelegraph? could she radiotelegraph? could we radiotelegraph? could you radiotelegraph? could they radiotelegraph?	could I be radiotelegraphing? could you be radiotelegraphing? could she be radiotelegraphing? could we be radiotelegraphing? could you be radiotelegraphing? could they be radiotelegraphing?
Perfect	V-ing perfect
could I have radiotelegraphed? could you have radiotelegraphed? could she have radiotelegraphed? could we have radiotelegraphed? could you have radiotelegraphed? could they have radiotelegraphed?	could I have been radiotelegraphing? could you have been radiotelegraphing? could she have been radiotelegraphing? could we have been radiotelegraphing? could you have been radiotelegraphing? could they have been radiotelegraphing?

Interro-negative form

Simple form	V-ing form
couldn't I radiotelegraph? couldn't you radiotelegraph? couldn't she radiotelegraph? couldn't we radiotelegraph? couldn't you radiotelegraph? couldn't they radiotelegraph?	couldn't I be radiotelegraphing? couldn't you be radiotelegraphing? couldn't she be radiotelegraphing? couldn't we be radiotelegraphing? couldn't you be radiotelegraphing? couldn't they be radiotelegraphing?
Perfect	V-ing perfect
couldn't I have radiotelegraphed? couldn't you have radiotelegraphed? couldn't she have radiotelegraphed? couldn't we have radiotelegraphed? couldn't you have radiotelegraphed? couldn't they have radiotelegraphed?	couldn't I have been radiotelegraphing? couldn't you have been radiotelegraphing? couldn't she have been radiotelegraphing? couldn't we have been radiotelegraphing? couldn't you have been radiotelegraphing? couldn't they have been radiotelegraphing?