could secure
Regular verb: secure - secured- secured

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could secure
you could secure
she could secure
we could secure
you could secure
they could secure 	I could be securing
you could be securing
she could be securing
we could be securing
you could be securing
they could be securing	I could have secured
you could have secured
she could have secured
we could have secured
you could have secured
they could have secured	I could have been securing
you could have been securing
she could have been securing
we could have been securing
you could have been securing
they could have been securing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't secure
you couldn't secure
she couldn't secure
we couldn't secure
you couldn't secure
they couldn't secure 	I couldn't be securing
you couldn't be securing
she couldn't be securing
we couldn't be securing
you couldn't be securing
they couldn't be securing	I couldn't have secured
you couldn't have secured
she couldn't have secured
we couldn't have secured
you couldn't have secured
they couldn't have secured	I couldn't have been securing
you couldn't have been securing
she couldn't have been securing
we couldn't have been securing
you couldn't have been securing
they couldn't have been securing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I secure?
could you secure?
could she secure?
could we secure?
could you secure?
could they secure? 	could I be securing?
could you be securing?
could she be securing?
could we be securing?
could you be securing?
could they be securing? 	could I have secured?
could you have secured?
could she have secured?
could we have secured?
could you have secured?
could they have secured? 	could I have been securing?
could you have been securing?
could she have been securing?
could we have been securing?
could you have been securing?
could they have been securing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I secure?
couldn't you secure?
couldn't she secure?
couldn't we secure?
couldn't you secure?
couldn't they secure? 	couldn't I be securing?
couldn't you be securing?
couldn't she be securing?
couldn't we be securing?
couldn't you be securing?
couldn't they be securing? 	couldn't I have secured?
couldn't you have secured?
couldn't she have secured?
couldn't we have secured?
couldn't you have secured?
couldn't they have secured? 	couldn't I have been securing?
couldn't you have been securing?
couldn't she have been securing?
couldn't we have been securing?
couldn't you have been securing?
couldn't they have been securing?