could strand
Regular verb: strand - stranded- stranded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could strand
you could strand
he could strand
we could strand
you could strand
they could strand 	I could be stranding
you could be stranding
he could be stranding
we could be stranding
you could be stranding
they could be stranding	I could have stranded
you could have stranded
he could have stranded
we could have stranded
you could have stranded
they could have stranded	I could have been stranding
you could have been stranding
he could have been stranding
we could have been stranding
you could have been stranding
they could have been stranding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't strand
you couldn't strand
he couldn't strand
we couldn't strand
you couldn't strand
they couldn't strand 	I couldn't be stranding
you couldn't be stranding
he couldn't be stranding
we couldn't be stranding
you couldn't be stranding
they couldn't be stranding	I couldn't have stranded
you couldn't have stranded
he couldn't have stranded
we couldn't have stranded
you couldn't have stranded
they couldn't have stranded	I couldn't have been stranding
you couldn't have been stranding
he couldn't have been stranding
we couldn't have been stranding
you couldn't have been stranding
they couldn't have been stranding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I strand?
could you strand?
could he strand?
could we strand?
could you strand?
could they strand? 	could I be stranding?
could you be stranding?
could he be stranding?
could we be stranding?
could you be stranding?
could they be stranding? 	could I have stranded?
could you have stranded?
could he have stranded?
could we have stranded?
could you have stranded?
could they have stranded? 	could I have been stranding?
could you have been stranding?
could he have been stranding?
could we have been stranding?
could you have been stranding?
could they have been stranding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I strand?
couldn't you strand?
couldn't he strand?
couldn't we strand?
couldn't you strand?
couldn't they strand? 	couldn't I be stranding?
couldn't you be stranding?
couldn't he be stranding?
couldn't we be stranding?
couldn't you be stranding?
couldn't they be stranding? 	couldn't I have stranded?
couldn't you have stranded?
couldn't he have stranded?
couldn't we have stranded?
couldn't you have stranded?
couldn't they have stranded? 	couldn't I have been stranding?
couldn't you have been stranding?
couldn't he have been stranding?
couldn't we have been stranding?
couldn't you have been stranding?
couldn't they have been stranding?