English verb conjugation
CAN UNDERFURNISH

Regular verb: underfurnish - underfurnished - underfurnished

Affirmation

Simple form	V-ing form
I can underfurnish you can underfurnish he can underfurnish we can underfurnish you can underfurnish they can underfurnish	I can be underfurnishing you can be underfurnishing he can be underfurnishing we can be underfurnishing you can be underfurnishing they can be underfurnishing
Perfect	V-ing perfect
I can have underfurnished you can have underfurnished he can have underfurnished we can have underfurnished you can have underfurnished they can have underfurnished	I can have been underfurnishing you can have been underfurnishing he can have been underfurnishing we can have been underfurnishing you can have been underfurnishing they can have been underfurnishing

Negation

Simple form	V-ing form
I can't underfurnish you can't underfurnish he can't underfurnish we can't underfurnish you can't underfurnish they can't underfurnish	I can't be underfurnishing you can't be underfurnishing he can't be underfurnishing we can't be underfurnishing you can't be underfurnishing they can't be underfurnishing
Perfect	V-ing perfect
I can't have underfurnished you can't have underfurnished he can't have underfurnished we can't have underfurnished you can't have underfurnished they can't have underfurnished	I can't have been underfurnishing you can't have been underfurnishing he can't have been underfurnishing we can't have been underfurnishing you can't have been underfurnishing they can't have been underfurnishing

Interrogative form

Simple form	V-ing form
can I underfurnish? can you underfurnish? can he underfurnish? can we underfurnish? can you underfurnish? can they underfurnish?	can I be underfurnishing? can you be underfurnishing? can he be underfurnishing? can we be underfurnishing? can you be underfurnishing? can they be underfurnishing?
Perfect	V-ing perfect
can I have underfurnished? can you have underfurnished? can he have underfurnished? can we have underfurnished? can you have underfurnished? can they have underfurnished?	can I have been underfurnishing? can you have been underfurnishing? can he have been underfurnishing? can we have been underfurnishing? can you have been underfurnishing? can they have been underfurnishing?

Interro-negative form

Simple form	V-ing form
can't I underfurnish? can't you underfurnish? can't he underfurnish? can't we underfurnish? can't you underfurnish? can't they underfurnish?	can't I be underfurnishing? can't you be underfurnishing? can't he be underfurnishing? can't we be underfurnishing? can't you be underfurnishing? can't they be underfurnishing?
Perfect	V-ing perfect
can't I have underfurnished? can't you have underfurnished? can't he have underfurnished? can't we have underfurnished? can't you have underfurnished? can't they have underfurnished?	can't I have been underfurnishing? can't you have been underfurnishing? can't he have been underfurnishing? can't we have been underfurnishing? can't you have been underfurnishing? can't they have been underfurnishing?