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