I must lend you must lend he must lend we must lend you must lend they must lend
V-ing form
I must be lending you must be lending he must be lending we must be lending you must be lending they must be lending
Perfect
I must have lent you must have lent he 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 he 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 he 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 he 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 he 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 he 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 he lend? must we lend? must you lend? must they lend?
V-ing form
must I be lending? must you be lending? must he be lending? must we be lending? must you be lending? must they be lending?
Perfect
must I have lent? must you have lent? must he 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 he 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 he 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 he 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 he 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 he have been lending? mustn't we have been lending? mustn't you have been lending? mustn't they have been lending?