English verb conjugation
CAN WONDER

Regular verb: wonder - wondered - wondered

Affirmation

Simple form	V-ing form
I can wonder you can wonder he can wonder we can wonder you can wonder they can wonder	I can be wondering you can be wondering he can be wondering we can be wondering you can be wondering they can be wondering
Perfect	V-ing perfect
I can have wondered you can have wondered he can have wondered we can have wondered you can have wondered they can have wondered	I can have been wondering you can have been wondering he can have been wondering we can have been wondering you can have been wondering they can have been wondering

Negation

Simple form	V-ing form
I can't wonder you can't wonder he can't wonder we can't wonder you can't wonder they can't wonder	I can't be wondering you can't be wondering he can't be wondering we can't be wondering you can't be wondering they can't be wondering
Perfect	V-ing perfect
I can't have wondered you can't have wondered he can't have wondered we can't have wondered you can't have wondered they can't have wondered	I can't have been wondering you can't have been wondering he can't have been wondering we can't have been wondering you can't have been wondering they can't have been wondering

Interrogative form

Simple form	V-ing form
can I wonder? can you wonder? can he wonder? can we wonder? can you wonder? can they wonder?	can I be wondering? can you be wondering? can he be wondering? can we be wondering? can you be wondering? can they be wondering?
Perfect	V-ing perfect
can I have wondered? can you have wondered? can he have wondered? can we have wondered? can you have wondered? can they have wondered?	can I have been wondering? can you have been wondering? can he have been wondering? can we have been wondering? can you have been wondering? can they have been wondering?

Interro-negative form

Simple form	V-ing form
can't I wonder? can't you wonder? can't he wonder? can't we wonder? can't you wonder? can't they wonder?	can't I be wondering? can't you be wondering? can't he be wondering? can't we be wondering? can't you be wondering? can't they be wondering?
Perfect	V-ing perfect
can't I have wondered? can't you have wondered? can't he have wondered? can't we have wondered? can't you have wondered? can't they have wondered?	can't I have been wondering? can't you have been wondering? can't he have been wondering? can't we have been wondering? can't you have been wondering? can't they have been wondering?