English verb conjugation
COULD NOSEDIVE

Regular verb: nosedive - nosedived - nosedived

Affirmation

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