I must coruscate you must coruscate he must coruscate we must coruscate you must coruscate they must coruscate
V-ing form
I must be coruscating you must be coruscating he must be coruscating we must be coruscating you must be coruscating they must be coruscating
Perfect
I must have coruscated you must have coruscated he must have coruscated we must have coruscated you must have coruscated they must have coruscated
V-ing perfect
I must have been coruscating you must have been coruscating he must have been coruscating we must have been coruscating you must have been coruscating they must have been coruscating
Negation
Simple form
I must not coruscate you must not coruscate he must not coruscate we must not coruscate you must not coruscate they must not coruscate
V-ing form
I must not be coruscating you must not be coruscating he must not be coruscating we must not be coruscating you must not be coruscating they must not be coruscating
Perfect
I must not have coruscated you must not have coruscated he must not have coruscated we must not have coruscated you must not have coruscated they must not have coruscated
V-ing perfect
I must not have been coruscating you must not have been coruscating he must not have been coruscating we must not have been coruscating you must not have been coruscating they must not have been coruscating
Interrogative form
Simple form
must I coruscate? must you coruscate? must he coruscate? must we coruscate? must you coruscate? must they coruscate?
V-ing form
must I be coruscating? must you be coruscating? must he be coruscating? must we be coruscating? must you be coruscating? must they be coruscating?
Perfect
must I have coruscated? must you have coruscated? must he have coruscated? must we have coruscated? must you have coruscated? must they have coruscated?
V-ing perfect
must I have been coruscating? must you have been coruscating? must he have been coruscating? must we have been coruscating? must you have been coruscating? must they have been coruscating?
Interro-negative form
Simple form
must I not coruscate? must you not coruscate? must he not coruscate? must we not coruscate? must you not coruscate? must they not coruscate?
V-ing form
must I not be coruscating? must you not be coruscating? must he not be coruscating? must we not be coruscating? must you not be coruscating? must they not be coruscating?
Perfect
must I not have coruscated? must you not have coruscated? must he not have coruscated? must we not have coruscated? must you not have coruscated? must they not have coruscated?
V-ing perfect
must I not have been coruscating? must you not have been coruscating? must he not have been coruscating? must we not have been coruscating? must you not have been coruscating? must they not have been coruscating?