English verb conjugation
CAN THIEVE

Regular verb: thieve - thieved - thieved

Affirmation

Simple form	V-ing form
I can thieve you can thieve he can thieve we can thieve you can thieve they can thieve	I can be thieving you can be thieving he can be thieving we can be thieving you can be thieving they can be thieving
Perfect	V-ing perfect
I can have thieved you can have thieved he can have thieved we can have thieved you can have thieved they can have thieved	I can have been thieving you can have been thieving he can have been thieving we can have been thieving you can have been thieving they can have been thieving

Negation

Simple form	V-ing form
I can't thieve you can't thieve he can't thieve we can't thieve you can't thieve they can't thieve	I can't be thieving you can't be thieving he can't be thieving we can't be thieving you can't be thieving they can't be thieving
Perfect	V-ing perfect
I can't have thieved you can't have thieved he can't have thieved we can't have thieved you can't have thieved they can't have thieved	I can't have been thieving you can't have been thieving he can't have been thieving we can't have been thieving you can't have been thieving they can't have been thieving

Interrogative form

Simple form	V-ing form
can I thieve? can you thieve? can he thieve? can we thieve? can you thieve? can they thieve?	can I be thieving? can you be thieving? can he be thieving? can we be thieving? can you be thieving? can they be thieving?
Perfect	V-ing perfect
can I have thieved? can you have thieved? can he have thieved? can we have thieved? can you have thieved? can they have thieved?	can I have been thieving? can you have been thieving? can he have been thieving? can we have been thieving? can you have been thieving? can they have been thieving?

Interro-negative form

Simple form	V-ing form
can't I thieve? can't you thieve? can't he thieve? can't we thieve? can't you thieve? can't they thieve?	can't I be thieving? can't you be thieving? can't he be thieving? can't we be thieving? can't you be thieving? can't they be thieving?
Perfect	V-ing perfect
can't I have thieved? can't you have thieved? can't he have thieved? can't we have thieved? can't you have thieved? can't they have thieved?	can't I have been thieving? can't you have been thieving? can't he have been thieving? can't we have been thieving? can't you have been thieving? can't they have been thieving?