should windmill
Regular verb: windmill - windmilled- windmilled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should windmill
you should windmill
he should windmill
we should windmill
you should windmill
they should windmill 	I should be windmilling
you should be windmilling
he should be windmilling
we should be windmilling
you should be windmilling
they should be windmilling	I should have windmilled
you should have windmilled
he should have windmilled
we should have windmilled
you should have windmilled
they should have windmilled	I should have been windmilling
you should have been windmilling
he should have been windmilling
we should have been windmilling
you should have been windmilling
they should have been windmilling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not windmill
you should not windmill
he should not windmill
we should not windmill
you should not windmill
they should not windmill 	I should not be windmilling
you should not be windmilling
he should not be windmilling
we should not be windmilling
you should not be windmilling
they should not be windmilling	I should not have windmilled
you should not have windmilled
he should not have windmilled
we should not have windmilled
you should not have windmilled
they should not have windmilled	I should not have been windmilling
you should not have been windmilling
he should not have been windmilling
we should not have been windmilling
you should not have been windmilling
they should not have been windmilling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I windmill?
should you windmill?
should he windmill?
should we windmill?
should you windmill?
should they windmill? 	should I be windmilling?
should you be windmilling?
should he be windmilling?
should we be windmilling?
should you be windmilling?
should they be windmilling? 	should I have windmilled?
should you have windmilled?
should he have windmilled?
should we have windmilled?
should you have windmilled?
should they have windmilled? 	should I have been windmilling?
should you have been windmilling?
should he have been windmilling?
should we have been windmilling?
should you have been windmilling?
should they have been windmilling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not windmill?
should you not windmill?
should he not windmill?
should we not windmill?
should you not windmill?
should they not windmill? 	should I not be windmilling?
should you not be windmilling?
should he not be windmilling?
should we not be windmilling?
should you not be windmilling?
should they not be windmilling? 	should I not have windmilled?
should you not have windmilled?
should he not have windmilled?
should we not have windmilled?
should you not have windmilled?
should they not have windmilled? 	should I not have been windmilling?
should you not have been windmilling?
should he not have been windmilling?
should we not have been windmilling?
should you not have been windmilling?
should they not have been windmilling?