could nosedive
Regular verb: nosedive - nosedived- nosedived

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could nosedive
you could nosedive
he could nosedive
we could nosedive
you could nosedive
they could nosedive 	I could be nosediving
you could be nosediving
he could be nosediving
we could be nosediving
you could be nosediving
they could be nosediving	I could have nosedived
you could have nosedived
he could have nosedived
we could have nosedived
you could have nosedived
they could have nosedived	I could have been nosediving
you could have been nosediving
he could have been nosediving
we could have been nosediving
you could have been nosediving
they could have been nosediving	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't nosedive
you couldn't nosedive
he couldn't nosedive
we couldn't nosedive
you couldn't nosedive
they couldn't nosedive 	I couldn't be nosediving
you couldn't be nosediving
he couldn't be nosediving
we couldn't be nosediving
you couldn't be nosediving
they couldn't be nosediving	I couldn't have nosedived
you couldn't have nosedived
he couldn't have nosedived
we couldn't have nosedived
you couldn't have nosedived
they couldn't have nosedived	I couldn't have been nosediving
you couldn't have been nosediving
he couldn't have been nosediving
we couldn't have been nosediving
you couldn't have been nosediving
they couldn't have been nosediving	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I nosedive?
could you nosedive?
could he nosedive?
could we nosedive?
could you nosedive?
could they nosedive? 	could I be nosediving?
could you be nosediving?
could he be nosediving?
could we be nosediving?
could you be nosediving?
could they be nosediving? 	could I have nosedived?
could you have nosedived?
could he have nosedived?
could we have nosedived?
could you have nosedived?
could they have nosedived? 	could I have been nosediving?
could you have been nosediving?
could he have been nosediving?
could we have been nosediving?
could you have been nosediving?
could they have been nosediving? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I nosedive?
couldn't you nosedive?
couldn't he nosedive?
couldn't we nosedive?
couldn't you nosedive?
couldn't they nosedive? 	couldn't I be nosediving?
couldn't you be nosediving?
couldn't he be nosediving?
couldn't we be nosediving?
couldn't you be nosediving?
couldn't they be nosediving? 	couldn't I have nosedived?
couldn't you have nosedived?
couldn't he have nosedived?
couldn't we have nosedived?
couldn't you have nosedived?
couldn't they have nosedived? 	couldn't I have been nosediving?
couldn't you have been nosediving?
couldn't he have been nosediving?
couldn't we have been nosediving?
couldn't you have been nosediving?
couldn't they have been nosediving?