English verb conjugation
COULD UNDERBAKE

Regular verb: underbake - underbaked - underbaked

Affirmation

Simple form	V-ing form
I could underbake you could underbake he could underbake we could underbake you could underbake they could underbake	I could be underbaking you could be underbaking he could be underbaking we could be underbaking you could be underbaking they could be underbaking
Perfect	V-ing perfect
I could have underbaked you could have underbaked he could have underbaked we could have underbaked you could have underbaked they could have underbaked	I could have been underbaking you could have been underbaking he could have been underbaking we could have been underbaking you could have been underbaking they could have been underbaking

Negation

Simple form	V-ing form
I couldn't underbake you couldn't underbake he couldn't underbake we couldn't underbake you couldn't underbake they couldn't underbake	I couldn't be underbaking you couldn't be underbaking he couldn't be underbaking we couldn't be underbaking you couldn't be underbaking they couldn't be underbaking
Perfect	V-ing perfect
I couldn't have underbaked you couldn't have underbaked he couldn't have underbaked we couldn't have underbaked you couldn't have underbaked they couldn't have underbaked	I couldn't have been underbaking you couldn't have been underbaking he couldn't have been underbaking we couldn't have been underbaking you couldn't have been underbaking they couldn't have been underbaking

Interrogative form

Simple form	V-ing form
could I underbake? could you underbake? could he underbake? could we underbake? could you underbake? could they underbake?	could I be underbaking? could you be underbaking? could he be underbaking? could we be underbaking? could you be underbaking? could they be underbaking?
Perfect	V-ing perfect
could I have underbaked? could you have underbaked? could he have underbaked? could we have underbaked? could you have underbaked? could they have underbaked?	could I have been underbaking? could you have been underbaking? could he have been underbaking? could we have been underbaking? could you have been underbaking? could they have been underbaking?

Interro-negative form

Simple form	V-ing form
couldn't I underbake? couldn't you underbake? couldn't he underbake? couldn't we underbake? couldn't you underbake? couldn't they underbake?	couldn't I be underbaking? couldn't you be underbaking? couldn't he be underbaking? couldn't we be underbaking? couldn't you be underbaking? couldn't they be underbaking?
Perfect	V-ing perfect
couldn't I have underbaked? couldn't you have underbaked? couldn't he have underbaked? couldn't we have underbaked? couldn't you have underbaked? couldn't they have underbaked?	couldn't I have been underbaking? couldn't you have been underbaking? couldn't he have been underbaking? couldn't we have been underbaking? couldn't you have been underbaking? couldn't they have been underbaking?