could soak
Regular verb: soak - soaked- soaked

Affirmation 	
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I could soak
you could soak
he could soak
we could soak
you could soak
they could soak 	I could be soaking
you could be soaking
he could be soaking
we could be soaking
you could be soaking
they could be soaking	I could have soaked
you could have soaked
he could have soaked
we could have soaked
you could have soaked
they could have soaked	I could have been soaking
you could have been soaking
he could have been soaking
we could have been soaking
you could have been soaking
they could have been soaking	

Negation 	
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I couldn't soak
you couldn't soak
he couldn't soak
we couldn't soak
you couldn't soak
they couldn't soak 	I couldn't be soaking
you couldn't be soaking
he couldn't be soaking
we couldn't be soaking
you couldn't be soaking
they couldn't be soaking	I couldn't have soaked
you couldn't have soaked
he couldn't have soaked
we couldn't have soaked
you couldn't have soaked
they couldn't have soaked	I couldn't have been soaking
you couldn't have been soaking
he couldn't have been soaking
we couldn't have been soaking
you couldn't have been soaking
they couldn't have been soaking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I soak?
could you soak?
could he soak?
could we soak?
could you soak?
could they soak? 	could I be soaking?
could you be soaking?
could he be soaking?
could we be soaking?
could you be soaking?
could they be soaking? 	could I have soaked?
could you have soaked?
could he have soaked?
could we have soaked?
could you have soaked?
could they have soaked? 	could I have been soaking?
could you have been soaking?
could he have been soaking?
could we have been soaking?
could you have been soaking?
could they have been soaking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I soak?
couldn't you soak?
couldn't he soak?
couldn't we soak?
couldn't you soak?
couldn't they soak? 	couldn't I be soaking?
couldn't you be soaking?
couldn't he be soaking?
couldn't we be soaking?
couldn't you be soaking?
couldn't they be soaking? 	couldn't I have soaked?
couldn't you have soaked?
couldn't he have soaked?
couldn't we have soaked?
couldn't you have soaked?
couldn't they have soaked? 	couldn't I have been soaking?
couldn't you have been soaking?
couldn't he have been soaking?
couldn't we have been soaking?
couldn't you have been soaking?
couldn't they have been soaking?