could depend
Regular verb: depend - depended- depended

Affirmation 	
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I could depend
you could depend
she could depend
we could depend
you could depend
they could depend 	I could be depending
you could be depending
she could be depending
we could be depending
you could be depending
they could be depending	I could have depended
you could have depended
she could have depended
we could have depended
you could have depended
they could have depended	I could have been depending
you could have been depending
she could have been depending
we could have been depending
you could have been depending
they could have been depending	

Negation 	
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I couldn't depend
you couldn't depend
she couldn't depend
we couldn't depend
you couldn't depend
they couldn't depend 	I couldn't be depending
you couldn't be depending
she couldn't be depending
we couldn't be depending
you couldn't be depending
they couldn't be depending	I couldn't have depended
you couldn't have depended
she couldn't have depended
we couldn't have depended
you couldn't have depended
they couldn't have depended	I couldn't have been depending
you couldn't have been depending
she couldn't have been depending
we couldn't have been depending
you couldn't have been depending
they couldn't have been depending	

Interrogative form 	
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could I depend?
could you depend?
could she depend?
could we depend?
could you depend?
could they depend? 	could I be depending?
could you be depending?
could she be depending?
could we be depending?
could you be depending?
could they be depending? 	could I have depended?
could you have depended?
could she have depended?
could we have depended?
could you have depended?
could they have depended? 	could I have been depending?
could you have been depending?
could she have been depending?
could we have been depending?
could you have been depending?
could they have been depending? 	

Interro-negative form 	
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couldn't I depend?
couldn't you depend?
couldn't she depend?
couldn't we depend?
couldn't you depend?
couldn't they depend? 	couldn't I be depending?
couldn't you be depending?
couldn't she be depending?
couldn't we be depending?
couldn't you be depending?
couldn't they be depending? 	couldn't I have depended?
couldn't you have depended?
couldn't she have depended?
couldn't we have depended?
couldn't you have depended?
couldn't they have depended? 	couldn't I have been depending?
couldn't you have been depending?
couldn't she have been depending?
couldn't we have been depending?
couldn't you have been depending?
couldn't they have been depending?