could maul
Regular verb: maul - mauled- mauled

Affirmation 	
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I could maul
you could maul
she could maul
we could maul
you could maul
they could maul 	I could be mauling
you could be mauling
she could be mauling
we could be mauling
you could be mauling
they could be mauling	I could have mauled
you could have mauled
she could have mauled
we could have mauled
you could have mauled
they could have mauled	I could have been mauling
you could have been mauling
she could have been mauling
we could have been mauling
you could have been mauling
they could have been mauling	

Negation 	
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I couldn't maul
you couldn't maul
she couldn't maul
we couldn't maul
you couldn't maul
they couldn't maul 	I couldn't be mauling
you couldn't be mauling
she couldn't be mauling
we couldn't be mauling
you couldn't be mauling
they couldn't be mauling	I couldn't have mauled
you couldn't have mauled
she couldn't have mauled
we couldn't have mauled
you couldn't have mauled
they couldn't have mauled	I couldn't have been mauling
you couldn't have been mauling
she couldn't have been mauling
we couldn't have been mauling
you couldn't have been mauling
they couldn't have been mauling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I maul?
could you maul?
could she maul?
could we maul?
could you maul?
could they maul? 	could I be mauling?
could you be mauling?
could she be mauling?
could we be mauling?
could you be mauling?
could they be mauling? 	could I have mauled?
could you have mauled?
could she have mauled?
could we have mauled?
could you have mauled?
could they have mauled? 	could I have been mauling?
could you have been mauling?
could she have been mauling?
could we have been mauling?
could you have been mauling?
could they have been mauling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I maul?
couldn't you maul?
couldn't she maul?
couldn't we maul?
couldn't you maul?
couldn't they maul? 	couldn't I be mauling?
couldn't you be mauling?
couldn't she be mauling?
couldn't we be mauling?
couldn't you be mauling?
couldn't they be mauling? 	couldn't I have mauled?
couldn't you have mauled?
couldn't she have mauled?
couldn't we have mauled?
couldn't you have mauled?
couldn't they have mauled? 	couldn't I have been mauling?
couldn't you have been mauling?
couldn't she have been mauling?
couldn't we have been mauling?
couldn't you have been mauling?
couldn't they have been mauling?