could trust
Regular verb: trust - trusted- trusted

Affirmation 	
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I could trust
you could trust
he could trust
we could trust
you could trust
they could trust 	I could be trusting
you could be trusting
he could be trusting
we could be trusting
you could be trusting
they could be trusting	I could have trusted
you could have trusted
he could have trusted
we could have trusted
you could have trusted
they could have trusted	I could have been trusting
you could have been trusting
he could have been trusting
we could have been trusting
you could have been trusting
they could have been trusting	

Negation 	
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I couldn't trust
you couldn't trust
he couldn't trust
we couldn't trust
you couldn't trust
they couldn't trust 	I couldn't be trusting
you couldn't be trusting
he couldn't be trusting
we couldn't be trusting
you couldn't be trusting
they couldn't be trusting	I couldn't have trusted
you couldn't have trusted
he couldn't have trusted
we couldn't have trusted
you couldn't have trusted
they couldn't have trusted	I couldn't have been trusting
you couldn't have been trusting
he couldn't have been trusting
we couldn't have been trusting
you couldn't have been trusting
they couldn't have been trusting	

Interrogative form 	
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could I trust?
could you trust?
could he trust?
could we trust?
could you trust?
could they trust? 	could I be trusting?
could you be trusting?
could he be trusting?
could we be trusting?
could you be trusting?
could they be trusting? 	could I have trusted?
could you have trusted?
could he have trusted?
could we have trusted?
could you have trusted?
could they have trusted? 	could I have been trusting?
could you have been trusting?
could he have been trusting?
could we have been trusting?
could you have been trusting?
could they have been trusting? 	

Interro-negative form 	
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couldn't I trust?
couldn't you trust?
couldn't he trust?
couldn't we trust?
couldn't you trust?
couldn't they trust? 	couldn't I be trusting?
couldn't you be trusting?
couldn't he be trusting?
couldn't we be trusting?
couldn't you be trusting?
couldn't they be trusting? 	couldn't I have trusted?
couldn't you have trusted?
couldn't he have trusted?
couldn't we have trusted?
couldn't you have trusted?
couldn't they have trusted? 	couldn't I have been trusting?
couldn't you have been trusting?
couldn't he have been trusting?
couldn't we have been trusting?
couldn't you have been trusting?
couldn't they have been trusting?