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