English verb conjugation
COULD SPEARFISH SPEARFISH

Regular verb: spearfish spearfish - spearfish spearfished - spearfish spearfished

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form	V-ing form
I could spearfish spearfish you could spearfish spearfish he could spearfish spearfish we could spearfish spearfish you could spearfish spearfish they could spearfish spearfish	I could be spearfish spearfishing you could be spearfish spearfishing he could be spearfish spearfishing we could be spearfish spearfishing you could be spearfish spearfishing they could be spearfish spearfishing
Perfect	V-ing perfect
I could have spearfish spearfished you could have spearfish spearfished he could have spearfish spearfished we could have spearfish spearfished you could have spearfish spearfished they could have spearfish spearfished	I could have been spearfish spearfishing you could have been spearfish spearfishing he could have been spearfish spearfishing we could have been spearfish spearfishing you could have been spearfish spearfishing they could have been spearfish spearfishing

Negation

Simple form	V-ing form
I couldn't spearfish spearfish you couldn't spearfish spearfish he couldn't spearfish spearfish we couldn't spearfish spearfish you couldn't spearfish spearfish they couldn't spearfish spearfish	I couldn't be spearfish spearfishing you couldn't be spearfish spearfishing he couldn't be spearfish spearfishing we couldn't be spearfish spearfishing you couldn't be spearfish spearfishing they couldn't be spearfish spearfishing
Perfect	V-ing perfect
I couldn't have spearfish spearfished you couldn't have spearfish spearfished he couldn't have spearfish spearfished we couldn't have spearfish spearfished you couldn't have spearfish spearfished they couldn't have spearfish spearfished	I couldn't have been spearfish spearfishing you couldn't have been spearfish spearfishing he couldn't have been spearfish spearfishing we couldn't have been spearfish spearfishing you couldn't have been spearfish spearfishing they couldn't have been spearfish spearfishing

Interrogative form

Simple form	V-ing form
could I spearfish spearfish? could you spearfish spearfish? could he spearfish spearfish? could we spearfish spearfish? could you spearfish spearfish? could they spearfish spearfish?	could I be spearfish spearfishing? could you be spearfish spearfishing? could he be spearfish spearfishing? could we be spearfish spearfishing? could you be spearfish spearfishing? could they be spearfish spearfishing?
Perfect	V-ing perfect
could I have spearfish spearfished? could you have spearfish spearfished? could he have spearfish spearfished? could we have spearfish spearfished? could you have spearfish spearfished? could they have spearfish spearfished?	could I have been spearfish spearfishing? could you have been spearfish spearfishing? could he have been spearfish spearfishing? could we have been spearfish spearfishing? could you have been spearfish spearfishing? could they have been spearfish spearfishing?

Interro-negative form

Simple form	V-ing form
couldn't I spearfish spearfish? couldn't you spearfish spearfish? couldn't he spearfish spearfish? couldn't we spearfish spearfish? couldn't you spearfish spearfish? couldn't they spearfish spearfish?	couldn't I be spearfish spearfishing? couldn't you be spearfish spearfishing? couldn't he be spearfish spearfishing? couldn't we be spearfish spearfishing? couldn't you be spearfish spearfishing? couldn't they be spearfish spearfishing?
Perfect	V-ing perfect
couldn't I have spearfish spearfished? couldn't you have spearfish spearfished? couldn't he have spearfish spearfished? couldn't we have spearfish spearfished? couldn't you have spearfish spearfished? couldn't they have spearfish spearfished?	couldn't I have been spearfish spearfishing? couldn't you have been spearfish spearfishing? couldn't he have been spearfish spearfishing? couldn't we have been spearfish spearfishing? couldn't you have been spearfish spearfishing? couldn't they have been spearfish spearfishing?