I could launder you could launder he could launder we could launder you could launder they could launder
V-ing form
I could be laundering you could be laundering he could be laundering we could be laundering you could be laundering they could be laundering
Perfect
I could have laundered you could have laundered he could have laundered we could have laundered you could have laundered they could have laundered
V-ing perfect
I could have been laundering you could have been laundering he could have been laundering we could have been laundering you could have been laundering they could have been laundering
Negation
Simple form
I could not launder you could not launder he could not launder we could not launder you could not launder they could not launder
V-ing form
I could not be laundering you could not be laundering he could not be laundering we could not be laundering you could not be laundering they could not be laundering
Perfect
I could not have laundered you could not have laundered he could not have laundered we could not have laundered you could not have laundered they could not have laundered
V-ing perfect
I could not have been laundering you could not have been laundering he could not have been laundering we could not have been laundering you could not have been laundering they could not have been laundering
Interrogative form
Simple form
could I launder? could you launder? could he launder? could we launder? could you launder? could they launder?
V-ing form
could I be laundering? could you be laundering? could he be laundering? could we be laundering? could you be laundering? could they be laundering?
Perfect
could I have laundered? could you have laundered? could he have laundered? could we have laundered? could you have laundered? could they have laundered?
V-ing perfect
could I have been laundering? could you have been laundering? could he have been laundering? could we have been laundering? could you have been laundering? could they have been laundering?
Interro-negative form
Simple form
could I not launder? could you not launder? could he not launder? could we not launder? could you not launder? could they not launder?
V-ing form
could I not be laundering? could you not be laundering? could he not be laundering? could we not be laundering? could you not be laundering? could they not be laundering?
Perfect
could I not have laundered? could you not have laundered? could he not have laundered? could we not have laundered? could you not have laundered? could they not have laundered?
V-ing perfect
could I not have been laundering? could you not have been laundering? could he not have been laundering? could we not have been laundering? could you not have been laundering? could they not have been laundering?