could squash
Regular verb: squash - squashed- squashed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could squash
you could squash
she could squash
we could squash
you could squash
they could squash 	I could be squashing
you could be squashing
she could be squashing
we could be squashing
you could be squashing
they could be squashing	I could have squashed
you could have squashed
she could have squashed
we could have squashed
you could have squashed
they could have squashed	I could have been squashing
you could have been squashing
she could have been squashing
we could have been squashing
you could have been squashing
they could have been squashing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't squash
you couldn't squash
she couldn't squash
we couldn't squash
you couldn't squash
they couldn't squash 	I couldn't be squashing
you couldn't be squashing
she couldn't be squashing
we couldn't be squashing
you couldn't be squashing
they couldn't be squashing	I couldn't have squashed
you couldn't have squashed
she couldn't have squashed
we couldn't have squashed
you couldn't have squashed
they couldn't have squashed	I couldn't have been squashing
you couldn't have been squashing
she couldn't have been squashing
we couldn't have been squashing
you couldn't have been squashing
they couldn't have been squashing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I squash?
could you squash?
could she squash?
could we squash?
could you squash?
could they squash? 	could I be squashing?
could you be squashing?
could she be squashing?
could we be squashing?
could you be squashing?
could they be squashing? 	could I have squashed?
could you have squashed?
could she have squashed?
could we have squashed?
could you have squashed?
could they have squashed? 	could I have been squashing?
could you have been squashing?
could she have been squashing?
could we have been squashing?
could you have been squashing?
could they have been squashing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I squash?
couldn't you squash?
couldn't she squash?
couldn't we squash?
couldn't you squash?
couldn't they squash? 	couldn't I be squashing?
couldn't you be squashing?
couldn't she be squashing?
couldn't we be squashing?
couldn't you be squashing?
couldn't they be squashing? 	couldn't I have squashed?
couldn't you have squashed?
couldn't she have squashed?
couldn't we have squashed?
couldn't you have squashed?
couldn't they have squashed? 	couldn't I have been squashing?
couldn't you have been squashing?
couldn't she have been squashing?
couldn't we have been squashing?
couldn't you have been squashing?
couldn't they have been squashing?