can request
Regular verb: request - requested- requested

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can request
you can request
he can request
we can request
you can request
they can request 	I can be requesting
you can be requesting
he can be requesting
we can be requesting
you can be requesting
they can be requesting	I can have requested
you can have requested
he can have requested
we can have requested
you can have requested
they can have requested	I can have been requesting
you can have been requesting
he can have been requesting
we can have been requesting
you can have been requesting
they can have been requesting	

Negation 	
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I can't request
you can't request
he can't request
we can't request
you can't request
they can't request 	I can't be requesting
you can't be requesting
he can't be requesting
we can't be requesting
you can't be requesting
they can't be requesting	I can't have requested
you can't have requested
he can't have requested
we can't have requested
you can't have requested
they can't have requested	I can't have been requesting
you can't have been requesting
he can't have been requesting
we can't have been requesting
you can't have been requesting
they can't have been requesting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I request?
can you request?
can he request?
can we request?
can you request?
can they request? 	can I be requesting?
can you be requesting?
can he be requesting?
can we be requesting?
can you be requesting?
can they be requesting? 	can I have requested?
can you have requested?
can he have requested?
can we have requested?
can you have requested?
can they have requested? 	can I have been requesting?
can you have been requesting?
can he have been requesting?
can we have been requesting?
can you have been requesting?
can they have been requesting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I request?
can't you request?
can't he request?
can't we request?
can't you request?
can't they request? 	can't I be requesting?
can't you be requesting?
can't he be requesting?
can't we be requesting?
can't you be requesting?
can't they be requesting? 	can't I have requested?
can't you have requested?
can't he have requested?
can't we have requested?
can't you have requested?
can't they have requested? 	can't I have been requesting?
can't you have been requesting?
can't he have been requesting?
can't we have been requesting?
can't you have been requesting?
can't they have been requesting?