I may overcast you may overcast he may overcast we may overcast you may overcast they may overcast
V-ing form
I may be overcasting you may be overcasting he may be overcasting we may be overcasting you may be overcasting they may be overcasting
Perfect
I may have overcasted you may have overcasted he may have overcasted we may have overcasted you may have overcasted they may have overcasted
V-ing perfect
I may have been overcasting you may have been overcasting he may have been overcasting we may have been overcasting you may have been overcasting they may have been overcasting
Negation
Simple form
I may not overcast you may not overcast he may not overcast we may not overcast you may not overcast they may not overcast
V-ing form
I may not be overcasting you may not be overcasting he may not be overcasting we may not be overcasting you may not be overcasting they may not be overcasting
Perfect
I may not have overcasted you may not have overcasted he may not have overcasted we may not have overcasted you may not have overcasted they may not have overcasted
V-ing perfect
I may not have been overcasting you may not have been overcasting he may not have been overcasting we may not have been overcasting you may not have been overcasting they may not have been overcasting
Interrogative form
Simple form
may I overcast? may you overcast? may he overcast? may we overcast? may you overcast? may they overcast?
V-ing form
may I be overcasting? may you be overcasting? may he be overcasting? may we be overcasting? may you be overcasting? may they be overcasting?
Perfect
may I have overcasted? may you have overcasted? may he have overcasted? may we have overcasted? may you have overcasted? may they have overcasted?
V-ing perfect
may I have been overcasting? may you have been overcasting? may he have been overcasting? may we have been overcasting? may you have been overcasting? may they have been overcasting?
Interro-negative form
Simple form
may I not overcast? may you not overcast? may he not overcast? may we not overcast? may you not overcast? may they not overcast?
V-ing form
may I not be overcasting? may you not be overcasting? may he not be overcasting? may we not be overcasting? may you not be overcasting? may they not be overcasting?
Perfect
may I not have overcasted? may you not have overcasted? may he not have overcasted? may we not have overcasted? may you not have overcasted? may they not have overcasted?
V-ing perfect
may I not have been overcasting? may you not have been overcasting? may he not have been overcasting? may we not have been overcasting? may you not have been overcasting? may they not have been overcasting?