English verb conjugation
COULD TURTLE

Regular verb: turtle - turtled - turtled

Affirmation

Simple form	V-ing form
I could turtle you could turtle she could turtle we could turtle you could turtle they could turtle	I could be turtling you could be turtling she could be turtling we could be turtling you could be turtling they could be turtling
Perfect	V-ing perfect
I could have turtled you could have turtled she could have turtled we could have turtled you could have turtled they could have turtled	I could have been turtling you could have been turtling she could have been turtling we could have been turtling you could have been turtling they could have been turtling

Negation

Simple form	V-ing form
I couldn't turtle you couldn't turtle she couldn't turtle we couldn't turtle you couldn't turtle they couldn't turtle	I couldn't be turtling you couldn't be turtling she couldn't be turtling we couldn't be turtling you couldn't be turtling they couldn't be turtling
Perfect	V-ing perfect
I couldn't have turtled you couldn't have turtled she couldn't have turtled we couldn't have turtled you couldn't have turtled they couldn't have turtled	I couldn't have been turtling you couldn't have been turtling she couldn't have been turtling we couldn't have been turtling you couldn't have been turtling they couldn't have been turtling

Interrogative form

Simple form	V-ing form
could I turtle? could you turtle? could she turtle? could we turtle? could you turtle? could they turtle?	could I be turtling? could you be turtling? could she be turtling? could we be turtling? could you be turtling? could they be turtling?
Perfect	V-ing perfect
could I have turtled? could you have turtled? could she have turtled? could we have turtled? could you have turtled? could they have turtled?	could I have been turtling? could you have been turtling? could she have been turtling? could we have been turtling? could you have been turtling? could they have been turtling?

Interro-negative form

Simple form	V-ing form
couldn't I turtle? couldn't you turtle? couldn't she turtle? couldn't we turtle? couldn't you turtle? couldn't they turtle?	couldn't I be turtling? couldn't you be turtling? couldn't she be turtling? couldn't we be turtling? couldn't you be turtling? couldn't they be turtling?
Perfect	V-ing perfect
couldn't I have turtled? couldn't you have turtled? couldn't she have turtled? couldn't we have turtled? couldn't you have turtled? couldn't they have turtled?	couldn't I have been turtling? couldn't you have been turtling? couldn't she have been turtling? couldn't we have been turtling? couldn't you have been turtling? couldn't they have been turtling?