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