could symbolize
Regular verb: symbolize - symbolized- symbolized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could symbolize
you could symbolize
she could symbolize
we could symbolize
you could symbolize
they could symbolize 	I could be symbolizing
you could be symbolizing
she could be symbolizing
we could be symbolizing
you could be symbolizing
they could be symbolizing	I could have symbolized
you could have symbolized
she could have symbolized
we could have symbolized
you could have symbolized
they could have symbolized	I could have been symbolizing
you could have been symbolizing
she could have been symbolizing
we could have been symbolizing
you could have been symbolizing
they could have been symbolizing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't symbolize
you couldn't symbolize
she couldn't symbolize
we couldn't symbolize
you couldn't symbolize
they couldn't symbolize 	I couldn't be symbolizing
you couldn't be symbolizing
she couldn't be symbolizing
we couldn't be symbolizing
you couldn't be symbolizing
they couldn't be symbolizing	I couldn't have symbolized
you couldn't have symbolized
she couldn't have symbolized
we couldn't have symbolized
you couldn't have symbolized
they couldn't have symbolized	I couldn't have been symbolizing
you couldn't have been symbolizing
she couldn't have been symbolizing
we couldn't have been symbolizing
you couldn't have been symbolizing
they couldn't have been symbolizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I symbolize?
could you symbolize?
could she symbolize?
could we symbolize?
could you symbolize?
could they symbolize? 	could I be symbolizing?
could you be symbolizing?
could she be symbolizing?
could we be symbolizing?
could you be symbolizing?
could they be symbolizing? 	could I have symbolized?
could you have symbolized?
could she have symbolized?
could we have symbolized?
could you have symbolized?
could they have symbolized? 	could I have been symbolizing?
could you have been symbolizing?
could she have been symbolizing?
could we have been symbolizing?
could you have been symbolizing?
could they have been symbolizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I symbolize?
couldn't you symbolize?
couldn't she symbolize?
couldn't we symbolize?
couldn't you symbolize?
couldn't they symbolize? 	couldn't I be symbolizing?
couldn't you be symbolizing?
couldn't she be symbolizing?
couldn't we be symbolizing?
couldn't you be symbolizing?
couldn't they be symbolizing? 	couldn't I have symbolized?
couldn't you have symbolized?
couldn't she have symbolized?
couldn't we have symbolized?
couldn't you have symbolized?
couldn't they have symbolized? 	couldn't I have been symbolizing?
couldn't you have been symbolizing?
couldn't she have been symbolizing?
couldn't we have been symbolizing?
couldn't you have been symbolizing?
couldn't they have been symbolizing?