English verb conjugation
COULD CRASH-DIVE

Regular verb: crash-dive - crash-dived - crash-dived

Affirmation

Simple form	V-ing form
I could crash-dive you could crash-dive he could crash-dive we could crash-dive you could crash-dive they could crash-dive	I could be crash-diving you could be crash-diving he could be crash-diving we could be crash-diving you could be crash-diving they could be crash-diving
Perfect	V-ing perfect
I could have crash-dived you could have crash-dived he could have crash-dived we could have crash-dived you could have crash-dived they could have crash-dived	I could have been crash-diving you could have been crash-diving he could have been crash-diving we could have been crash-diving you could have been crash-diving they could have been crash-diving

Negation

Simple form	V-ing form
I couldn't crash-dive you couldn't crash-dive he couldn't crash-dive we couldn't crash-dive you couldn't crash-dive they couldn't crash-dive	I couldn't be crash-diving you couldn't be crash-diving he couldn't be crash-diving we couldn't be crash-diving you couldn't be crash-diving they couldn't be crash-diving
Perfect	V-ing perfect
I couldn't have crash-dived you couldn't have crash-dived he couldn't have crash-dived we couldn't have crash-dived you couldn't have crash-dived they couldn't have crash-dived	I couldn't have been crash-diving you couldn't have been crash-diving he couldn't have been crash-diving we couldn't have been crash-diving you couldn't have been crash-diving they couldn't have been crash-diving

Interrogative form

Simple form	V-ing form
could I crash-dive? could you crash-dive? could he crash-dive? could we crash-dive? could you crash-dive? could they crash-dive?	could I be crash-diving? could you be crash-diving? could he be crash-diving? could we be crash-diving? could you be crash-diving? could they be crash-diving?
Perfect	V-ing perfect
could I have crash-dived? could you have crash-dived? could he have crash-dived? could we have crash-dived? could you have crash-dived? could they have crash-dived?	could I have been crash-diving? could you have been crash-diving? could he have been crash-diving? could we have been crash-diving? could you have been crash-diving? could they have been crash-diving?

Interro-negative form

Simple form	V-ing form
couldn't I crash-dive? couldn't you crash-dive? couldn't he crash-dive? couldn't we crash-dive? couldn't you crash-dive? couldn't they crash-dive?	couldn't I be crash-diving? couldn't you be crash-diving? couldn't he be crash-diving? couldn't we be crash-diving? couldn't you be crash-diving? couldn't they be crash-diving?
Perfect	V-ing perfect
couldn't I have crash-dived? couldn't you have crash-dived? couldn't he have crash-dived? couldn't we have crash-dived? couldn't you have crash-dived? couldn't they have crash-dived?	couldn't I have been crash-diving? couldn't you have been crash-diving? couldn't he have been crash-diving? couldn't we have been crash-diving? couldn't you have been crash-diving? couldn't they have been crash-diving?