English verb conjugation
CAN HALF-MAST

Regular verb: half-mast - half-masted - half-masted

Affirmation

Simple form	V-ing form
I can half-mast you can half-mast he can half-mast we can half-mast you can half-mast they can half-mast	I can be half-masting you can be half-masting he can be half-masting we can be half-masting you can be half-masting they can be half-masting
Perfect	V-ing perfect
I can have half-masted you can have half-masted he can have half-masted we can have half-masted you can have half-masted they can have half-masted	I can have been half-masting you can have been half-masting he can have been half-masting we can have been half-masting you can have been half-masting they can have been half-masting

Negation

Simple form	V-ing form
I cannot half-mast you cannot half-mast he cannot half-mast we cannot half-mast you cannot half-mast they cannot half-mast	I cannot be half-masting you cannot be half-masting he cannot be half-masting we cannot be half-masting you cannot be half-masting they cannot be half-masting
Perfect	V-ing perfect
I cannot have half-masted you cannot have half-masted he cannot have half-masted we cannot have half-masted you cannot have half-masted they cannot have half-masted	I cannot have been half-masting you cannot have been half-masting he cannot have been half-masting we cannot have been half-masting you cannot have been half-masting they cannot have been half-masting

Interrogative form

Simple form	V-ing form
can I half-mast? can you half-mast? can he half-mast? can we half-mast? can you half-mast? can they half-mast?	can I be half-masting? can you be half-masting? can he be half-masting? can we be half-masting? can you be half-masting? can they be half-masting?
Perfect	V-ing perfect
can I have half-masted? can you have half-masted? can he have half-masted? can we have half-masted? can you have half-masted? can they have half-masted?	can I have been half-masting? can you have been half-masting? can he have been half-masting? can we have been half-masting? can you have been half-masting? can they have been half-masting?

Interro-negative form

Simple form	V-ing form
can I not half-mast? can you not half-mast? can he not half-mast? can we not half-mast? can you not half-mast? can they not half-mast?	can I not be half-masting? can you not be half-masting? can he not be half-masting? can we not be half-masting? can you not be half-masting? can they not be half-masting?
Perfect	V-ing perfect
can I not have half-masted? can you not have half-masted? can he not have half-masted? can we not have half-masted? can you not have half-masted? can they not have half-masted?	can I not have been half-masting? can you not have been half-masting? can he not have been half-masting? can we not have been half-masting? can you not have been half-masting? can they not have been half-masting?