English verb conjugation
CAN REJOICE

Regular verb: rejoice - rejoiced - rejoiced

Affirmation

Simple form	V-ing form
I can rejoice you can rejoice he can rejoice we can rejoice you can rejoice they can rejoice	I can be rejoicing you can be rejoicing he can be rejoicing we can be rejoicing you can be rejoicing they can be rejoicing
Perfect	V-ing perfect
I can have rejoiced you can have rejoiced he can have rejoiced we can have rejoiced you can have rejoiced they can have rejoiced	I can have been rejoicing you can have been rejoicing he can have been rejoicing we can have been rejoicing you can have been rejoicing they can have been rejoicing

Negation

Simple form	V-ing form
I can't rejoice you can't rejoice he can't rejoice we can't rejoice you can't rejoice they can't rejoice	I can't be rejoicing you can't be rejoicing he can't be rejoicing we can't be rejoicing you can't be rejoicing they can't be rejoicing
Perfect	V-ing perfect
I can't have rejoiced you can't have rejoiced he can't have rejoiced we can't have rejoiced you can't have rejoiced they can't have rejoiced	I can't have been rejoicing you can't have been rejoicing he can't have been rejoicing we can't have been rejoicing you can't have been rejoicing they can't have been rejoicing

Interrogative form

Simple form	V-ing form
can I rejoice? can you rejoice? can he rejoice? can we rejoice? can you rejoice? can they rejoice?	can I be rejoicing? can you be rejoicing? can he be rejoicing? can we be rejoicing? can you be rejoicing? can they be rejoicing?
Perfect	V-ing perfect
can I have rejoiced? can you have rejoiced? can he have rejoiced? can we have rejoiced? can you have rejoiced? can they have rejoiced?	can I have been rejoicing? can you have been rejoicing? can he have been rejoicing? can we have been rejoicing? can you have been rejoicing? can they have been rejoicing?

Interro-negative form

Simple form	V-ing form
can't I rejoice? can't you rejoice? can't he rejoice? can't we rejoice? can't you rejoice? can't they rejoice?	can't I be rejoicing? can't you be rejoicing? can't he be rejoicing? can't we be rejoicing? can't you be rejoicing? can't they be rejoicing?
Perfect	V-ing perfect
can't I have rejoiced? can't you have rejoiced? can't he have rejoiced? can't we have rejoiced? can't you have rejoiced? can't they have rejoiced?	can't I have been rejoicing? can't you have been rejoicing? can't he have been rejoicing? can't we have been rejoicing? can't you have been rejoicing? can't they have been rejoicing?