could align
Regular verb: align - aligned- aligned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could align
you could align
she could align
we could align
you could align
they could align 	I could be aligning
you could be aligning
she could be aligning
we could be aligning
you could be aligning
they could be aligning	I could have aligned
you could have aligned
she could have aligned
we could have aligned
you could have aligned
they could have aligned	I could have been aligning
you could have been aligning
she could have been aligning
we could have been aligning
you could have been aligning
they could have been aligning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't align
you couldn't align
she couldn't align
we couldn't align
you couldn't align
they couldn't align 	I couldn't be aligning
you couldn't be aligning
she couldn't be aligning
we couldn't be aligning
you couldn't be aligning
they couldn't be aligning	I couldn't have aligned
you couldn't have aligned
she couldn't have aligned
we couldn't have aligned
you couldn't have aligned
they couldn't have aligned	I couldn't have been aligning
you couldn't have been aligning
she couldn't have been aligning
we couldn't have been aligning
you couldn't have been aligning
they couldn't have been aligning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I align?
could you align?
could she align?
could we align?
could you align?
could they align? 	could I be aligning?
could you be aligning?
could she be aligning?
could we be aligning?
could you be aligning?
could they be aligning? 	could I have aligned?
could you have aligned?
could she have aligned?
could we have aligned?
could you have aligned?
could they have aligned? 	could I have been aligning?
could you have been aligning?
could she have been aligning?
could we have been aligning?
could you have been aligning?
could they have been aligning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I align?
couldn't you align?
couldn't she align?
couldn't we align?
couldn't you align?
couldn't they align? 	couldn't I be aligning?
couldn't you be aligning?
couldn't she be aligning?
couldn't we be aligning?
couldn't you be aligning?
couldn't they be aligning? 	couldn't I have aligned?
couldn't you have aligned?
couldn't she have aligned?
couldn't we have aligned?
couldn't you have aligned?
couldn't they have aligned? 	couldn't I have been aligning?
couldn't you have been aligning?
couldn't she have been aligning?
couldn't we have been aligning?
couldn't you have been aligning?
couldn't they have been aligning?