could launder
Regular verb: launder - laundered- laundered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could launder
you could launder
she could launder
we could launder
you could launder
they could launder 	I could be laundering
you could be laundering
she could be laundering
we could be laundering
you could be laundering
they could be laundering	I could have laundered
you could have laundered
she could have laundered
we could have laundered
you could have laundered
they could have laundered	I could have been laundering
you could have been laundering
she could have been laundering
we could have been laundering
you could have been laundering
they could have been laundering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't launder
you couldn't launder
she couldn't launder
we couldn't launder
you couldn't launder
they couldn't launder 	I couldn't be laundering
you couldn't be laundering
she couldn't be laundering
we couldn't be laundering
you couldn't be laundering
they couldn't be laundering	I couldn't have laundered
you couldn't have laundered
she couldn't have laundered
we couldn't have laundered
you couldn't have laundered
they couldn't have laundered	I couldn't have been laundering
you couldn't have been laundering
she couldn't have been laundering
we couldn't have been laundering
you couldn't have been laundering
they couldn't have been laundering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I launder?
could you launder?
could she launder?
could we launder?
could you launder?
could they launder? 	could I be laundering?
could you be laundering?
could she be laundering?
could we be laundering?
could you be laundering?
could they be laundering? 	could I have laundered?
could you have laundered?
could she have laundered?
could we have laundered?
could you have laundered?
could they have laundered? 	could I have been laundering?
could you have been laundering?
could she have been laundering?
could we have been laundering?
could you have been laundering?
could they have been laundering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I launder?
couldn't you launder?
couldn't she launder?
couldn't we launder?
couldn't you launder?
couldn't they launder? 	couldn't I be laundering?
couldn't you be laundering?
couldn't she be laundering?
couldn't we be laundering?
couldn't you be laundering?
couldn't they be laundering? 	couldn't I have laundered?
couldn't you have laundered?
couldn't she have laundered?
couldn't we have laundered?
couldn't you have laundered?
couldn't they have laundered? 	couldn't I have been laundering?
couldn't you have been laundering?
couldn't she have been laundering?
couldn't we have been laundering?
couldn't you have been laundering?
couldn't they have been laundering?