can stretch
Regular verb: stretch - stretched- stretched

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can stretch
you can stretch
he can stretch
we can stretch
you can stretch
they can stretch 	I can be stretching
you can be stretching
he can be stretching
we can be stretching
you can be stretching
they can be stretching	I can have stretched
you can have stretched
he can have stretched
we can have stretched
you can have stretched
they can have stretched	I can have been stretching
you can have been stretching
he can have been stretching
we can have been stretching
you can have been stretching
they can have been stretching	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't stretch
you can't stretch
he can't stretch
we can't stretch
you can't stretch
they can't stretch 	I can't be stretching
you can't be stretching
he can't be stretching
we can't be stretching
you can't be stretching
they can't be stretching	I can't have stretched
you can't have stretched
he can't have stretched
we can't have stretched
you can't have stretched
they can't have stretched	I can't have been stretching
you can't have been stretching
he can't have been stretching
we can't have been stretching
you can't have been stretching
they can't have been stretching	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I stretch?
can you stretch?
can he stretch?
can we stretch?
can you stretch?
can they stretch? 	can I be stretching?
can you be stretching?
can he be stretching?
can we be stretching?
can you be stretching?
can they be stretching? 	can I have stretched?
can you have stretched?
can he have stretched?
can we have stretched?
can you have stretched?
can they have stretched? 	can I have been stretching?
can you have been stretching?
can he have been stretching?
can we have been stretching?
can you have been stretching?
can they have been stretching? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I stretch?
can't you stretch?
can't he stretch?
can't we stretch?
can't you stretch?
can't they stretch? 	can't I be stretching?
can't you be stretching?
can't he be stretching?
can't we be stretching?
can't you be stretching?
can't they be stretching? 	can't I have stretched?
can't you have stretched?
can't he have stretched?
can't we have stretched?
can't you have stretched?
can't they have stretched? 	can't I have been stretching?
can't you have been stretching?
can't he have been stretching?
can't we have been stretching?
can't you have been stretching?
can't they have been stretching?