should fettle
Regular verb: fettle - fettled- fettled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should fettle
you should fettle
he should fettle
we should fettle
you should fettle
they should fettle 	I should be fettling
you should be fettling
he should be fettling
we should be fettling
you should be fettling
they should be fettling	I should have fettled
you should have fettled
he should have fettled
we should have fettled
you should have fettled
they should have fettled	I should have been fettling
you should have been fettling
he should have been fettling
we should have been fettling
you should have been fettling
they should have been fettling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not fettle
you should not fettle
he should not fettle
we should not fettle
you should not fettle
they should not fettle 	I should not be fettling
you should not be fettling
he should not be fettling
we should not be fettling
you should not be fettling
they should not be fettling	I should not have fettled
you should not have fettled
he should not have fettled
we should not have fettled
you should not have fettled
they should not have fettled	I should not have been fettling
you should not have been fettling
he should not have been fettling
we should not have been fettling
you should not have been fettling
they should not have been fettling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I fettle?
should you fettle?
should he fettle?
should we fettle?
should you fettle?
should they fettle? 	should I be fettling?
should you be fettling?
should he be fettling?
should we be fettling?
should you be fettling?
should they be fettling? 	should I have fettled?
should you have fettled?
should he have fettled?
should we have fettled?
should you have fettled?
should they have fettled? 	should I have been fettling?
should you have been fettling?
should he have been fettling?
should we have been fettling?
should you have been fettling?
should they have been fettling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not fettle?
should you not fettle?
should he not fettle?
should we not fettle?
should you not fettle?
should they not fettle? 	should I not be fettling?
should you not be fettling?
should he not be fettling?
should we not be fettling?
should you not be fettling?
should they not be fettling? 	should I not have fettled?
should you not have fettled?
should he not have fettled?
should we not have fettled?
should you not have fettled?
should they not have fettled? 	should I not have been fettling?
should you not have been fettling?
should he not have been fettling?
should we not have been fettling?
should you not have been fettling?
should they not have been fettling?