English verb conjugation
CAN THWART

Regular verb: thwart - thwarted - thwarted

Affirmation

Simple form	V-ing form
I can thwart you can thwart he can thwart we can thwart you can thwart they can thwart	I can be thwarting you can be thwarting he can be thwarting we can be thwarting you can be thwarting they can be thwarting
Perfect	V-ing perfect
I can have thwarted you can have thwarted he can have thwarted we can have thwarted you can have thwarted they can have thwarted	I can have been thwarting you can have been thwarting he can have been thwarting we can have been thwarting you can have been thwarting they can have been thwarting

Negation

Simple form	V-ing form
I can't thwart you can't thwart he can't thwart we can't thwart you can't thwart they can't thwart	I can't be thwarting you can't be thwarting he can't be thwarting we can't be thwarting you can't be thwarting they can't be thwarting
Perfect	V-ing perfect
I can't have thwarted you can't have thwarted he can't have thwarted we can't have thwarted you can't have thwarted they can't have thwarted	I can't have been thwarting you can't have been thwarting he can't have been thwarting we can't have been thwarting you can't have been thwarting they can't have been thwarting

Interrogative form

Simple form	V-ing form
can I thwart? can you thwart? can he thwart? can we thwart? can you thwart? can they thwart?	can I be thwarting? can you be thwarting? can he be thwarting? can we be thwarting? can you be thwarting? can they be thwarting?
Perfect	V-ing perfect
can I have thwarted? can you have thwarted? can he have thwarted? can we have thwarted? can you have thwarted? can they have thwarted?	can I have been thwarting? can you have been thwarting? can he have been thwarting? can we have been thwarting? can you have been thwarting? can they have been thwarting?

Interro-negative form

Simple form	V-ing form
can't I thwart? can't you thwart? can't he thwart? can't we thwart? can't you thwart? can't they thwart?	can't I be thwarting? can't you be thwarting? can't he be thwarting? can't we be thwarting? can't you be thwarting? can't they be thwarting?
Perfect	V-ing perfect
can't I have thwarted? can't you have thwarted? can't he have thwarted? can't we have thwarted? can't you have thwarted? can't they have thwarted?	can't I have been thwarting? can't you have been thwarting? can't he have been thwarting? can't we have been thwarting? can't you have been thwarting? can't they have been thwarting?