English verb conjugation
COULD REJOIN

Regular verb: rejoin - rejoined - rejoined

Affirmation

Simple form	V-ing form
I could rejoin you could rejoin he could rejoin we could rejoin you could rejoin they could rejoin	I could be rejoining you could be rejoining he could be rejoining we could be rejoining you could be rejoining they could be rejoining
Perfect	V-ing perfect
I could have rejoined you could have rejoined he could have rejoined we could have rejoined you could have rejoined they could have rejoined	I could have been rejoining you could have been rejoining he could have been rejoining we could have been rejoining you could have been rejoining they could have been rejoining

Negation

Simple form	V-ing form
I couldn't rejoin you couldn't rejoin he couldn't rejoin we couldn't rejoin you couldn't rejoin they couldn't rejoin	I couldn't be rejoining you couldn't be rejoining he couldn't be rejoining we couldn't be rejoining you couldn't be rejoining they couldn't be rejoining
Perfect	V-ing perfect
I couldn't have rejoined you couldn't have rejoined he couldn't have rejoined we couldn't have rejoined you couldn't have rejoined they couldn't have rejoined	I couldn't have been rejoining you couldn't have been rejoining he couldn't have been rejoining we couldn't have been rejoining you couldn't have been rejoining they couldn't have been rejoining

Interrogative form

Simple form	V-ing form
could I rejoin? could you rejoin? could he rejoin? could we rejoin? could you rejoin? could they rejoin?	could I be rejoining? could you be rejoining? could he be rejoining? could we be rejoining? could you be rejoining? could they be rejoining?
Perfect	V-ing perfect
could I have rejoined? could you have rejoined? could he have rejoined? could we have rejoined? could you have rejoined? could they have rejoined?	could I have been rejoining? could you have been rejoining? could he have been rejoining? could we have been rejoining? could you have been rejoining? could they have been rejoining?

Interro-negative form

Simple form	V-ing form
couldn't I rejoin? couldn't you rejoin? couldn't he rejoin? couldn't we rejoin? couldn't you rejoin? couldn't they rejoin?	couldn't I be rejoining? couldn't you be rejoining? couldn't he be rejoining? couldn't we be rejoining? couldn't you be rejoining? couldn't they be rejoining?
Perfect	V-ing perfect
couldn't I have rejoined? couldn't you have rejoined? couldn't he have rejoined? couldn't we have rejoined? couldn't you have rejoined? couldn't they have rejoined?	couldn't I have been rejoining? couldn't you have been rejoining? couldn't he have been rejoining? couldn't we have been rejoining? couldn't you have been rejoining? couldn't they have been rejoining?