could dart
Regular verb: dart - darted- darted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could dart
you could dart
he could dart
we could dart
you could dart
they could dart 	I could be darting
you could be darting
he could be darting
we could be darting
you could be darting
they could be darting	I could have darted
you could have darted
he could have darted
we could have darted
you could have darted
they could have darted	I could have been darting
you could have been darting
he could have been darting
we could have been darting
you could have been darting
they could have been darting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't dart
you couldn't dart
he couldn't dart
we couldn't dart
you couldn't dart
they couldn't dart 	I couldn't be darting
you couldn't be darting
he couldn't be darting
we couldn't be darting
you couldn't be darting
they couldn't be darting	I couldn't have darted
you couldn't have darted
he couldn't have darted
we couldn't have darted
you couldn't have darted
they couldn't have darted	I couldn't have been darting
you couldn't have been darting
he couldn't have been darting
we couldn't have been darting
you couldn't have been darting
they couldn't have been darting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I dart?
could you dart?
could he dart?
could we dart?
could you dart?
could they dart? 	could I be darting?
could you be darting?
could he be darting?
could we be darting?
could you be darting?
could they be darting? 	could I have darted?
could you have darted?
could he have darted?
could we have darted?
could you have darted?
could they have darted? 	could I have been darting?
could you have been darting?
could he have been darting?
could we have been darting?
could you have been darting?
could they have been darting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I dart?
couldn't you dart?
couldn't he dart?
couldn't we dart?
couldn't you dart?
couldn't they dart? 	couldn't I be darting?
couldn't you be darting?
couldn't he be darting?
couldn't we be darting?
couldn't you be darting?
couldn't they be darting? 	couldn't I have darted?
couldn't you have darted?
couldn't he have darted?
couldn't we have darted?
couldn't you have darted?
couldn't they have darted? 	couldn't I have been darting?
couldn't you have been darting?
couldn't he have been darting?
couldn't we have been darting?
couldn't you have been darting?
couldn't they have been darting?