English verb conjugation
CAN SMEAR

Regular verb: smear - smeared - smeared

Affirmation

Simple form	V-ing form
I can smear you can smear he can smear we can smear you can smear they can smear	I can be smearing you can be smearing he can be smearing we can be smearing you can be smearing they can be smearing
Perfect	V-ing perfect
I can have smeared you can have smeared he can have smeared we can have smeared you can have smeared they can have smeared	I can have been smearing you can have been smearing he can have been smearing we can have been smearing you can have been smearing they can have been smearing

Negation

Simple form	V-ing form
I can't smear you can't smear he can't smear we can't smear you can't smear they can't smear	I can't be smearing you can't be smearing he can't be smearing we can't be smearing you can't be smearing they can't be smearing
Perfect	V-ing perfect
I can't have smeared you can't have smeared he can't have smeared we can't have smeared you can't have smeared they can't have smeared	I can't have been smearing you can't have been smearing he can't have been smearing we can't have been smearing you can't have been smearing they can't have been smearing

Interrogative form

Simple form	V-ing form
can I smear? can you smear? can he smear? can we smear? can you smear? can they smear?	can I be smearing? can you be smearing? can he be smearing? can we be smearing? can you be smearing? can they be smearing?
Perfect	V-ing perfect
can I have smeared? can you have smeared? can he have smeared? can we have smeared? can you have smeared? can they have smeared?	can I have been smearing? can you have been smearing? can he have been smearing? can we have been smearing? can you have been smearing? can they have been smearing?

Interro-negative form

Simple form	V-ing form
can't I smear? can't you smear? can't he smear? can't we smear? can't you smear? can't they smear?	can't I be smearing? can't you be smearing? can't he be smearing? can't we be smearing? can't you be smearing? can't they be smearing?
Perfect	V-ing perfect
can't I have smeared? can't you have smeared? can't he have smeared? can't we have smeared? can't you have smeared? can't they have smeared?	can't I have been smearing? can't you have been smearing? can't he have been smearing? can't we have been smearing? can't you have been smearing? can't they have been smearing?