I could electroplate you could electroplate he could electroplate we could electroplate you could electroplate they could electroplate
V-ing form
I could be electroplating you could be electroplating he could be electroplating we could be electroplating you could be electroplating they could be electroplating
Perfect
I could have electroplated you could have electroplated he could have electroplated we could have electroplated you could have electroplated they could have electroplated
V-ing perfect
I could have been electroplating you could have been electroplating he could have been electroplating we could have been electroplating you could have been electroplating they could have been electroplating
Negation
Simple form
I couldn't electroplate you couldn't electroplate he couldn't electroplate we couldn't electroplate you couldn't electroplate they couldn't electroplate
V-ing form
I couldn't be electroplating you couldn't be electroplating he couldn't be electroplating we couldn't be electroplating you couldn't be electroplating they couldn't be electroplating
Perfect
I couldn't have electroplated you couldn't have electroplated he couldn't have electroplated we couldn't have electroplated you couldn't have electroplated they couldn't have electroplated
V-ing perfect
I couldn't have been electroplating you couldn't have been electroplating he couldn't have been electroplating we couldn't have been electroplating you couldn't have been electroplating they couldn't have been electroplating
Interrogative form
Simple form
could I electroplate? could you electroplate? could he electroplate? could we electroplate? could you electroplate? could they electroplate?
V-ing form
could I be electroplating? could you be electroplating? could he be electroplating? could we be electroplating? could you be electroplating? could they be electroplating?
Perfect
could I have electroplated? could you have electroplated? could he have electroplated? could we have electroplated? could you have electroplated? could they have electroplated?
V-ing perfect
could I have been electroplating? could you have been electroplating? could he have been electroplating? could we have been electroplating? could you have been electroplating? could they have been electroplating?
Interro-negative form
Simple form
couldn't I electroplate? couldn't you electroplate? couldn't he electroplate? couldn't we electroplate? couldn't you electroplate? couldn't they electroplate?
V-ing form
couldn't I be electroplating? couldn't you be electroplating? couldn't he be electroplating? couldn't we be electroplating? couldn't you be electroplating? couldn't they be electroplating?
Perfect
couldn't I have electroplated? couldn't you have electroplated? couldn't he have electroplated? couldn't we have electroplated? couldn't you have electroplated? couldn't they have electroplated?
V-ing perfect
couldn't I have been electroplating? couldn't you have been electroplating? couldn't he have been electroplating? couldn't we have been electroplating? couldn't you have been electroplating? couldn't they have been electroplating?