should swallow
Regular verb: swallow - swallowed- swallowed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should swallow
you should swallow
he should swallow
we should swallow
you should swallow
they should swallow 	I should be swallowing
you should be swallowing
he should be swallowing
we should be swallowing
you should be swallowing
they should be swallowing	I should have swallowed
you should have swallowed
he should have swallowed
we should have swallowed
you should have swallowed
they should have swallowed	I should have been swallowing
you should have been swallowing
he should have been swallowing
we should have been swallowing
you should have been swallowing
they should have been swallowing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not swallow
you should not swallow
he should not swallow
we should not swallow
you should not swallow
they should not swallow 	I should not be swallowing
you should not be swallowing
he should not be swallowing
we should not be swallowing
you should not be swallowing
they should not be swallowing	I should not have swallowed
you should not have swallowed
he should not have swallowed
we should not have swallowed
you should not have swallowed
they should not have swallowed	I should not have been swallowing
you should not have been swallowing
he should not have been swallowing
we should not have been swallowing
you should not have been swallowing
they should not have been swallowing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I swallow?
should you swallow?
should he swallow?
should we swallow?
should you swallow?
should they swallow? 	should I be swallowing?
should you be swallowing?
should he be swallowing?
should we be swallowing?
should you be swallowing?
should they be swallowing? 	should I have swallowed?
should you have swallowed?
should he have swallowed?
should we have swallowed?
should you have swallowed?
should they have swallowed? 	should I have been swallowing?
should you have been swallowing?
should he have been swallowing?
should we have been swallowing?
should you have been swallowing?
should they have been swallowing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not swallow?
should you not swallow?
should he not swallow?
should we not swallow?
should you not swallow?
should they not swallow? 	should I not be swallowing?
should you not be swallowing?
should he not be swallowing?
should we not be swallowing?
should you not be swallowing?
should they not be swallowing? 	should I not have swallowed?
should you not have swallowed?
should he not have swallowed?
should we not have swallowed?
should you not have swallowed?
should they not have swallowed? 	should I not have been swallowing?
should you not have been swallowing?
should he not have been swallowing?
should we not have been swallowing?
should you not have been swallowing?
should they not have been swallowing?