English verb conjugation
MUST OVERCAST

Regular verb: overcast - overcasted - overcasted

Affirmation

Simple form	V-ing form
I must overcast you must overcast he must overcast we must overcast you must overcast they must overcast	I must be overcasting you must be overcasting he must be overcasting we must be overcasting you must be overcasting they must be overcasting
Perfect	V-ing perfect
I must have overcasted you must have overcasted he must have overcasted we must have overcasted you must have overcasted they must have overcasted	I must have been overcasting you must have been overcasting he must have been overcasting we must have been overcasting you must have been overcasting they must have been overcasting

Negation

Simple form	V-ing form
I mustn't overcast you mustn't overcast he mustn't overcast we mustn't overcast you mustn't overcast they mustn't overcast	I mustn't be overcasting you mustn't be overcasting he mustn't be overcasting we mustn't be overcasting you mustn't be overcasting they mustn't be overcasting
Perfect	V-ing perfect
I mustn't have overcasted you mustn't have overcasted he mustn't have overcasted we mustn't have overcasted you mustn't have overcasted they mustn't have overcasted	I mustn't have been overcasting you mustn't have been overcasting he mustn't have been overcasting we mustn't have been overcasting you mustn't have been overcasting they mustn't have been overcasting

Interrogative form

Simple form	V-ing form
must I overcast? must you overcast? must he overcast? must we overcast? must you overcast? must they overcast?	must I be overcasting? must you be overcasting? must he be overcasting? must we be overcasting? must you be overcasting? must they be overcasting?
Perfect	V-ing perfect
must I have overcasted? must you have overcasted? must he have overcasted? must we have overcasted? must you have overcasted? must they have overcasted?	must I have been overcasting? must you have been overcasting? must he have been overcasting? must we have been overcasting? must you have been overcasting? must they have been overcasting?

Interro-negative form

Simple form	V-ing form
mustn't I overcast? mustn't you overcast? mustn't he overcast? mustn't we overcast? mustn't you overcast? mustn't they overcast?	mustn't I be overcasting? mustn't you be overcasting? mustn't he be overcasting? mustn't we be overcasting? mustn't you be overcasting? mustn't they be overcasting?
Perfect	V-ing perfect
mustn't I have overcasted? mustn't you have overcasted? mustn't he have overcasted? mustn't we have overcasted? mustn't you have overcasted? mustn't they have overcasted?	mustn't I have been overcasting? mustn't you have been overcasting? mustn't he have been overcasting? mustn't we have been overcasting? mustn't you have been overcasting? mustn't they have been overcasting?