could salivate
Regular verb: salivate - salivated- salivated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could salivate
you could salivate
he could salivate
we could salivate
you could salivate
they could salivate 	I could be salivating
you could be salivating
he could be salivating
we could be salivating
you could be salivating
they could be salivating	I could have salivated
you could have salivated
he could have salivated
we could have salivated
you could have salivated
they could have salivated	I could have been salivating
you could have been salivating
he could have been salivating
we could have been salivating
you could have been salivating
they could have been salivating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't salivate
you couldn't salivate
he couldn't salivate
we couldn't salivate
you couldn't salivate
they couldn't salivate 	I couldn't be salivating
you couldn't be salivating
he couldn't be salivating
we couldn't be salivating
you couldn't be salivating
they couldn't be salivating	I couldn't have salivated
you couldn't have salivated
he couldn't have salivated
we couldn't have salivated
you couldn't have salivated
they couldn't have salivated	I couldn't have been salivating
you couldn't have been salivating
he couldn't have been salivating
we couldn't have been salivating
you couldn't have been salivating
they couldn't have been salivating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I salivate?
could you salivate?
could he salivate?
could we salivate?
could you salivate?
could they salivate? 	could I be salivating?
could you be salivating?
could he be salivating?
could we be salivating?
could you be salivating?
could they be salivating? 	could I have salivated?
could you have salivated?
could he have salivated?
could we have salivated?
could you have salivated?
could they have salivated? 	could I have been salivating?
could you have been salivating?
could he have been salivating?
could we have been salivating?
could you have been salivating?
could they have been salivating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I salivate?
couldn't you salivate?
couldn't he salivate?
couldn't we salivate?
couldn't you salivate?
couldn't they salivate? 	couldn't I be salivating?
couldn't you be salivating?
couldn't he be salivating?
couldn't we be salivating?
couldn't you be salivating?
couldn't they be salivating? 	couldn't I have salivated?
couldn't you have salivated?
couldn't he have salivated?
couldn't we have salivated?
couldn't you have salivated?
couldn't they have salivated? 	couldn't I have been salivating?
couldn't you have been salivating?
couldn't he have been salivating?
couldn't we have been salivating?
couldn't you have been salivating?
couldn't they have been salivating?