could low
Regular verb: low - lowed- lowed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could low
you could low
she could low
we could low
you could low
they could low 	I could be lowing
you could be lowing
she could be lowing
we could be lowing
you could be lowing
they could be lowing	I could have lowed
you could have lowed
she could have lowed
we could have lowed
you could have lowed
they could have lowed	I could have been lowing
you could have been lowing
she could have been lowing
we could have been lowing
you could have been lowing
they could have been lowing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't low
you couldn't low
she couldn't low
we couldn't low
you couldn't low
they couldn't low 	I couldn't be lowing
you couldn't be lowing
she couldn't be lowing
we couldn't be lowing
you couldn't be lowing
they couldn't be lowing	I couldn't have lowed
you couldn't have lowed
she couldn't have lowed
we couldn't have lowed
you couldn't have lowed
they couldn't have lowed	I couldn't have been lowing
you couldn't have been lowing
she couldn't have been lowing
we couldn't have been lowing
you couldn't have been lowing
they couldn't have been lowing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I low?
could you low?
could she low?
could we low?
could you low?
could they low? 	could I be lowing?
could you be lowing?
could she be lowing?
could we be lowing?
could you be lowing?
could they be lowing? 	could I have lowed?
could you have lowed?
could she have lowed?
could we have lowed?
could you have lowed?
could they have lowed? 	could I have been lowing?
could you have been lowing?
could she have been lowing?
could we have been lowing?
could you have been lowing?
could they have been lowing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I low?
couldn't you low?
couldn't she low?
couldn't we low?
couldn't you low?
couldn't they low? 	couldn't I be lowing?
couldn't you be lowing?
couldn't she be lowing?
couldn't we be lowing?
couldn't you be lowing?
couldn't they be lowing? 	couldn't I have lowed?
couldn't you have lowed?
couldn't she have lowed?
couldn't we have lowed?
couldn't you have lowed?
couldn't they have lowed? 	couldn't I have been lowing?
couldn't you have been lowing?
couldn't she have been lowing?
couldn't we have been lowing?
couldn't you have been lowing?
couldn't they have been lowing?