English verb conjugation
COULD SQUEAK

Regular verb: squeak - squeaked - squeaked

Affirmation

Simple form	V-ing form
I could squeak you could squeak she could squeak we could squeak you could squeak they could squeak	I could be squeaking you could be squeaking she could be squeaking we could be squeaking you could be squeaking they could be squeaking
Perfect	V-ing perfect
I could have squeaked you could have squeaked she could have squeaked we could have squeaked you could have squeaked they could have squeaked	I could have been squeaking you could have been squeaking she could have been squeaking we could have been squeaking you could have been squeaking they could have been squeaking

Negation

Simple form	V-ing form
I couldn't squeak you couldn't squeak she couldn't squeak we couldn't squeak you couldn't squeak they couldn't squeak	I couldn't be squeaking you couldn't be squeaking she couldn't be squeaking we couldn't be squeaking you couldn't be squeaking they couldn't be squeaking
Perfect	V-ing perfect
I couldn't have squeaked you couldn't have squeaked she couldn't have squeaked we couldn't have squeaked you couldn't have squeaked they couldn't have squeaked	I couldn't have been squeaking you couldn't have been squeaking she couldn't have been squeaking we couldn't have been squeaking you couldn't have been squeaking they couldn't have been squeaking

Interrogative form

Simple form	V-ing form
could I squeak? could you squeak? could she squeak? could we squeak? could you squeak? could they squeak?	could I be squeaking? could you be squeaking? could she be squeaking? could we be squeaking? could you be squeaking? could they be squeaking?
Perfect	V-ing perfect
could I have squeaked? could you have squeaked? could she have squeaked? could we have squeaked? could you have squeaked? could they have squeaked?	could I have been squeaking? could you have been squeaking? could she have been squeaking? could we have been squeaking? could you have been squeaking? could they have been squeaking?

Interro-negative form

Simple form	V-ing form
couldn't I squeak? couldn't you squeak? couldn't she squeak? couldn't we squeak? couldn't you squeak? couldn't they squeak?	couldn't I be squeaking? couldn't you be squeaking? couldn't she be squeaking? couldn't we be squeaking? couldn't you be squeaking? couldn't they be squeaking?
Perfect	V-ing perfect
couldn't I have squeaked? couldn't you have squeaked? couldn't she have squeaked? couldn't we have squeaked? couldn't you have squeaked? couldn't they have squeaked?	couldn't I have been squeaking? couldn't you have been squeaking? couldn't she have been squeaking? couldn't we have been squeaking? couldn't you have been squeaking? couldn't they have been squeaking?