could outflank
Regular verb: outflank - outflanked- outflanked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could outflank
you could outflank
he could outflank
we could outflank
you could outflank
they could outflank 	I could be outflanking
you could be outflanking
he could be outflanking
we could be outflanking
you could be outflanking
they could be outflanking	I could have outflanked
you could have outflanked
he could have outflanked
we could have outflanked
you could have outflanked
they could have outflanked	I could have been outflanking
you could have been outflanking
he could have been outflanking
we could have been outflanking
you could have been outflanking
they could have been outflanking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't outflank
you couldn't outflank
he couldn't outflank
we couldn't outflank
you couldn't outflank
they couldn't outflank 	I couldn't be outflanking
you couldn't be outflanking
he couldn't be outflanking
we couldn't be outflanking
you couldn't be outflanking
they couldn't be outflanking	I couldn't have outflanked
you couldn't have outflanked
he couldn't have outflanked
we couldn't have outflanked
you couldn't have outflanked
they couldn't have outflanked	I couldn't have been outflanking
you couldn't have been outflanking
he couldn't have been outflanking
we couldn't have been outflanking
you couldn't have been outflanking
they couldn't have been outflanking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I outflank?
could you outflank?
could he outflank?
could we outflank?
could you outflank?
could they outflank? 	could I be outflanking?
could you be outflanking?
could he be outflanking?
could we be outflanking?
could you be outflanking?
could they be outflanking? 	could I have outflanked?
could you have outflanked?
could he have outflanked?
could we have outflanked?
could you have outflanked?
could they have outflanked? 	could I have been outflanking?
could you have been outflanking?
could he have been outflanking?
could we have been outflanking?
could you have been outflanking?
could they have been outflanking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I outflank?
couldn't you outflank?
couldn't he outflank?
couldn't we outflank?
couldn't you outflank?
couldn't they outflank? 	couldn't I be outflanking?
couldn't you be outflanking?
couldn't he be outflanking?
couldn't we be outflanking?
couldn't you be outflanking?
couldn't they be outflanking? 	couldn't I have outflanked?
couldn't you have outflanked?
couldn't he have outflanked?
couldn't we have outflanked?
couldn't you have outflanked?
couldn't they have outflanked? 	couldn't I have been outflanking?
couldn't you have been outflanking?
couldn't he have been outflanking?
couldn't we have been outflanking?
couldn't you have been outflanking?
couldn't they have been outflanking?