English verb conjugation
MUST CATECHISE

Regular verb: catechise - catechised - catechised

Affirmation

Simple form	V-ing form
I must catechise you must catechise he must catechise we must catechise you must catechise they must catechise	I must be catechising you must be catechising he must be catechising we must be catechising you must be catechising they must be catechising
Perfect	V-ing perfect
I must have catechised you must have catechised he must have catechised we must have catechised you must have catechised they must have catechised	I must have been catechising you must have been catechising he must have been catechising we must have been catechising you must have been catechising they must have been catechising

Negation

Simple form	V-ing form
I must not catechise you must not catechise he must not catechise we must not catechise you must not catechise they must not catechise	I must not be catechising you must not be catechising he must not be catechising we must not be catechising you must not be catechising they must not be catechising
Perfect	V-ing perfect
I must not have catechised you must not have catechised he must not have catechised we must not have catechised you must not have catechised they must not have catechised	I must not have been catechising you must not have been catechising he must not have been catechising we must not have been catechising you must not have been catechising they must not have been catechising

Interrogative form

Simple form	V-ing form
must I catechise? must you catechise? must he catechise? must we catechise? must you catechise? must they catechise?	must I be catechising? must you be catechising? must he be catechising? must we be catechising? must you be catechising? must they be catechising?
Perfect	V-ing perfect
must I have catechised? must you have catechised? must he have catechised? must we have catechised? must you have catechised? must they have catechised?	must I have been catechising? must you have been catechising? must he have been catechising? must we have been catechising? must you have been catechising? must they have been catechising?

Interro-negative form

Simple form	V-ing form
must I not catechise? must you not catechise? must he not catechise? must we not catechise? must you not catechise? must they not catechise?	must I not be catechising? must you not be catechising? must he not be catechising? must we not be catechising? must you not be catechising? must they not be catechising?
Perfect	V-ing perfect
must I not have catechised? must you not have catechised? must he not have catechised? must we not have catechised? must you not have catechised? must they not have catechised?	must I not have been catechising? must you not have been catechising? must he not have been catechising? must we not have been catechising? must you not have been catechising? must they not have been catechising?