English verb conjugation
CAN PRAISE

Regular verb: praise - praised - praised

Affirmation

Simple form	V-ing form
I can praise you can praise he can praise we can praise you can praise they can praise	I can be praising you can be praising he can be praising we can be praising you can be praising they can be praising
Perfect	V-ing perfect
I can have praised you can have praised he can have praised we can have praised you can have praised they can have praised	I can have been praising you can have been praising he can have been praising we can have been praising you can have been praising they can have been praising

Negation

Simple form	V-ing form
I can't praise you can't praise he can't praise we can't praise you can't praise they can't praise	I can't be praising you can't be praising he can't be praising we can't be praising you can't be praising they can't be praising
Perfect	V-ing perfect
I can't have praised you can't have praised he can't have praised we can't have praised you can't have praised they can't have praised	I can't have been praising you can't have been praising he can't have been praising we can't have been praising you can't have been praising they can't have been praising

Interrogative form

Simple form	V-ing form
can I praise? can you praise? can he praise? can we praise? can you praise? can they praise?	can I be praising? can you be praising? can he be praising? can we be praising? can you be praising? can they be praising?
Perfect	V-ing perfect
can I have praised? can you have praised? can he have praised? can we have praised? can you have praised? can they have praised?	can I have been praising? can you have been praising? can he have been praising? can we have been praising? can you have been praising? can they have been praising?

Interro-negative form

Simple form	V-ing form
can't I praise? can't you praise? can't he praise? can't we praise? can't you praise? can't they praise?	can't I be praising? can't you be praising? can't he be praising? can't we be praising? can't you be praising? can't they be praising?
Perfect	V-ing perfect
can't I have praised? can't you have praised? can't he have praised? can't we have praised? can't you have praised? can't they have praised?	can't I have been praising? can't you have been praising? can't he have been praising? can't we have been praising? can't you have been praising? can't they have been praising?