could rejoin
Regular verb: rejoin - rejoined- rejoined

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