English verb conjugation
MUST SYNCHRONISE

Regular verb: synchronise - synchronised - synchronised

Affirmation

Simple form	V-ing form
I must synchronise you must synchronise he must synchronise we must synchronise you must synchronise they must synchronise	I must be synchronising you must be synchronising he must be synchronising we must be synchronising you must be synchronising they must be synchronising
Perfect	V-ing perfect
I must have synchronised you must have synchronised he must have synchronised we must have synchronised you must have synchronised they must have synchronised	I must have been synchronising you must have been synchronising he must have been synchronising we must have been synchronising you must have been synchronising they must have been synchronising

Negation

Simple form	V-ing form
I must not synchronise you must not synchronise he must not synchronise we must not synchronise you must not synchronise they must not synchronise	I must not be synchronising you must not be synchronising he must not be synchronising we must not be synchronising you must not be synchronising they must not be synchronising
Perfect	V-ing perfect
I must not have synchronised you must not have synchronised he must not have synchronised we must not have synchronised you must not have synchronised they must not have synchronised	I must not have been synchronising you must not have been synchronising he must not have been synchronising we must not have been synchronising you must not have been synchronising they must not have been synchronising

Interrogative form

Simple form	V-ing form
must I synchronise? must you synchronise? must he synchronise? must we synchronise? must you synchronise? must they synchronise?	must I be synchronising? must you be synchronising? must he be synchronising? must we be synchronising? must you be synchronising? must they be synchronising?
Perfect	V-ing perfect
must I have synchronised? must you have synchronised? must he have synchronised? must we have synchronised? must you have synchronised? must they have synchronised?	must I have been synchronising? must you have been synchronising? must he have been synchronising? must we have been synchronising? must you have been synchronising? must they have been synchronising?

Interro-negative form

Simple form	V-ing form
must I not synchronise? must you not synchronise? must he not synchronise? must we not synchronise? must you not synchronise? must they not synchronise?	must I not be synchronising? must you not be synchronising? must he not be synchronising? must we not be synchronising? must you not be synchronising? must they not be synchronising?
Perfect	V-ing perfect
must I not have synchronised? must you not have synchronised? must he not have synchronised? must we not have synchronised? must you not have synchronised? must they not have synchronised?	must I not have been synchronising? must you not have been synchronising? must he not have been synchronising? must we not have been synchronising? must you not have been synchronising? must they not have been synchronising?