could slew
Regular verb: slew - slewed- slewed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could slew
you could slew
she could slew
we could slew
you could slew
they could slew 	I could be slewing
you could be slewing
she could be slewing
we could be slewing
you could be slewing
they could be slewing	I could have slewed
you could have slewed
she could have slewed
we could have slewed
you could have slewed
they could have slewed	I could have been slewing
you could have been slewing
she could have been slewing
we could have been slewing
you could have been slewing
they could have been slewing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't slew
you couldn't slew
she couldn't slew
we couldn't slew
you couldn't slew
they couldn't slew 	I couldn't be slewing
you couldn't be slewing
she couldn't be slewing
we couldn't be slewing
you couldn't be slewing
they couldn't be slewing	I couldn't have slewed
you couldn't have slewed
she couldn't have slewed
we couldn't have slewed
you couldn't have slewed
they couldn't have slewed	I couldn't have been slewing
you couldn't have been slewing
she couldn't have been slewing
we couldn't have been slewing
you couldn't have been slewing
they couldn't have been slewing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I slew?
could you slew?
could she slew?
could we slew?
could you slew?
could they slew? 	could I be slewing?
could you be slewing?
could she be slewing?
could we be slewing?
could you be slewing?
could they be slewing? 	could I have slewed?
could you have slewed?
could she have slewed?
could we have slewed?
could you have slewed?
could they have slewed? 	could I have been slewing?
could you have been slewing?
could she have been slewing?
could we have been slewing?
could you have been slewing?
could they have been slewing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I slew?
couldn't you slew?
couldn't she slew?
couldn't we slew?
couldn't you slew?
couldn't they slew? 	couldn't I be slewing?
couldn't you be slewing?
couldn't she be slewing?
couldn't we be slewing?
couldn't you be slewing?
couldn't they be slewing? 	couldn't I have slewed?
couldn't you have slewed?
couldn't she have slewed?
couldn't we have slewed?
couldn't you have slewed?
couldn't they have slewed? 	couldn't I have been slewing?
couldn't you have been slewing?
couldn't she have been slewing?
couldn't we have been slewing?
couldn't you have been slewing?
couldn't they have been slewing?