Regular verb: begin begin - begin begined - begin begined
Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I could begin begin you could begin begin he could begin begin we could begin begin you could begin begin they could begin begin
V-ing form
I could be begin begining you could be begin begining he could be begin begining we could be begin begining you could be begin begining they could be begin begining
Perfect
I could have begin begined you could have begin begined he could have begin begined we could have begin begined you could have begin begined they could have begin begined
V-ing perfect
I could have been begin begining you could have been begin begining he could have been begin begining we could have been begin begining you could have been begin begining they could have been begin begining
Negation
Simple form
I couldn't begin begin you couldn't begin begin he couldn't begin begin we couldn't begin begin you couldn't begin begin they couldn't begin begin
V-ing form
I couldn't be begin begining you couldn't be begin begining he couldn't be begin begining we couldn't be begin begining you couldn't be begin begining they couldn't be begin begining
Perfect
I couldn't have begin begined you couldn't have begin begined he couldn't have begin begined we couldn't have begin begined you couldn't have begin begined they couldn't have begin begined
V-ing perfect
I couldn't have been begin begining you couldn't have been begin begining he couldn't have been begin begining we couldn't have been begin begining you couldn't have been begin begining they couldn't have been begin begining
Interrogative form
Simple form
could I begin begin? could you begin begin? could he begin begin? could we begin begin? could you begin begin? could they begin begin?
V-ing form
could I be begin begining? could you be begin begining? could he be begin begining? could we be begin begining? could you be begin begining? could they be begin begining?
Perfect
could I have begin begined? could you have begin begined? could he have begin begined? could we have begin begined? could you have begin begined? could they have begin begined?
V-ing perfect
could I have been begin begining? could you have been begin begining? could he have been begin begining? could we have been begin begining? could you have been begin begining? could they have been begin begining?
Interro-negative form
Simple form
couldn't I begin begin? couldn't you begin begin? couldn't he begin begin? couldn't we begin begin? couldn't you begin begin? couldn't they begin begin?
V-ing form
couldn't I be begin begining? couldn't you be begin begining? couldn't he be begin begining? couldn't we be begin begining? couldn't you be begin begining? couldn't they be begin begining?
Perfect
couldn't I have begin begined? couldn't you have begin begined? couldn't he have begin begined? couldn't we have begin begined? couldn't you have begin begined? couldn't they have begin begined?
V-ing perfect
couldn't I have been begin begining? couldn't you have been begin begining? couldn't he have been begin begining? couldn't we have been begin begining? couldn't you have been begin begining? couldn't they have been begin begining?