I must curette you must curette she must curette we must curette you must curette they must curette
V-ing form
I must be curetting you must be curetting she must be curetting we must be curetting you must be curetting they must be curetting
Perfect
I must have curetted you must have curetted she must have curetted we must have curetted you must have curetted they must have curetted
V-ing perfect
I must have been curetting you must have been curetting she must have been curetting we must have been curetting you must have been curetting they must have been curetting
Negation
Simple form
I mustn't curette you mustn't curette she mustn't curette we mustn't curette you mustn't curette they mustn't curette
V-ing form
I mustn't be curetting you mustn't be curetting she mustn't be curetting we mustn't be curetting you mustn't be curetting they mustn't be curetting
Perfect
I mustn't have curetted you mustn't have curetted she mustn't have curetted we mustn't have curetted you mustn't have curetted they mustn't have curetted
V-ing perfect
I mustn't have been curetting you mustn't have been curetting she mustn't have been curetting we mustn't have been curetting you mustn't have been curetting they mustn't have been curetting
Interrogative form
Simple form
must I curette? must you curette? must she curette? must we curette? must you curette? must they curette?
V-ing form
must I be curetting? must you be curetting? must she be curetting? must we be curetting? must you be curetting? must they be curetting?
Perfect
must I have curetted? must you have curetted? must she have curetted? must we have curetted? must you have curetted? must they have curetted?
V-ing perfect
must I have been curetting? must you have been curetting? must she have been curetting? must we have been curetting? must you have been curetting? must they have been curetting?
Interro-negative form
Simple form
mustn't I curette? mustn't you curette? mustn't she curette? mustn't we curette? mustn't you curette? mustn't they curette?
V-ing form
mustn't I be curetting? mustn't you be curetting? mustn't she be curetting? mustn't we be curetting? mustn't you be curetting? mustn't they be curetting?
Perfect
mustn't I have curetted? mustn't you have curetted? mustn't she have curetted? mustn't we have curetted? mustn't you have curetted? mustn't they have curetted?
V-ing perfect
mustn't I have been curetting? mustn't you have been curetting? mustn't she have been curetting? mustn't we have been curetting? mustn't you have been curetting? mustn't they have been curetting?