English verb conjugation
COULD ASTERISK

Regular verb: asterisk - asterisked - asterisked

Affirmation

Simple form	V-ing form
I could asterisk you could asterisk he could asterisk we could asterisk you could asterisk they could asterisk	I could be asterisking you could be asterisking he could be asterisking we could be asterisking you could be asterisking they could be asterisking
Perfect	V-ing perfect
I could have asterisked you could have asterisked he could have asterisked we could have asterisked you could have asterisked they could have asterisked	I could have been asterisking you could have been asterisking he could have been asterisking we could have been asterisking you could have been asterisking they could have been asterisking

Negation

Simple form	V-ing form
I couldn't asterisk you couldn't asterisk he couldn't asterisk we couldn't asterisk you couldn't asterisk they couldn't asterisk	I couldn't be asterisking you couldn't be asterisking he couldn't be asterisking we couldn't be asterisking you couldn't be asterisking they couldn't be asterisking
Perfect	V-ing perfect
I couldn't have asterisked you couldn't have asterisked he couldn't have asterisked we couldn't have asterisked you couldn't have asterisked they couldn't have asterisked	I couldn't have been asterisking you couldn't have been asterisking he couldn't have been asterisking we couldn't have been asterisking you couldn't have been asterisking they couldn't have been asterisking

Interrogative form

Simple form	V-ing form
could I asterisk? could you asterisk? could he asterisk? could we asterisk? could you asterisk? could they asterisk?	could I be asterisking? could you be asterisking? could he be asterisking? could we be asterisking? could you be asterisking? could they be asterisking?
Perfect	V-ing perfect
could I have asterisked? could you have asterisked? could he have asterisked? could we have asterisked? could you have asterisked? could they have asterisked?	could I have been asterisking? could you have been asterisking? could he have been asterisking? could we have been asterisking? could you have been asterisking? could they have been asterisking?

Interro-negative form

Simple form	V-ing form
couldn't I asterisk? couldn't you asterisk? couldn't he asterisk? couldn't we asterisk? couldn't you asterisk? couldn't they asterisk?	couldn't I be asterisking? couldn't you be asterisking? couldn't he be asterisking? couldn't we be asterisking? couldn't you be asterisking? couldn't they be asterisking?
Perfect	V-ing perfect
couldn't I have asterisked? couldn't you have asterisked? couldn't he have asterisked? couldn't we have asterisked? couldn't you have asterisked? couldn't they have asterisked?	couldn't I have been asterisking? couldn't you have been asterisking? couldn't he have been asterisking? couldn't we have been asterisking? couldn't you have been asterisking? couldn't they have been asterisking?