English verb conjugation
MUST TURTLE

Regular verb: turtle - turtled - turtled

Affirmation

Simple form	V-ing form
I must turtle you must turtle he must turtle we must turtle you must turtle they must turtle	I must be turtling you must be turtling he must be turtling we must be turtling you must be turtling they must be turtling
Perfect	V-ing perfect
I must have turtled you must have turtled he must have turtled we must have turtled you must have turtled they must have turtled	I must have been turtling you must have been turtling he must have been turtling we must have been turtling you must have been turtling they must have been turtling

Negation

Simple form	V-ing form
I must not turtle you must not turtle he must not turtle we must not turtle you must not turtle they must not turtle	I must not be turtling you must not be turtling he must not be turtling we must not be turtling you must not be turtling they must not be turtling
Perfect	V-ing perfect
I must not have turtled you must not have turtled he must not have turtled we must not have turtled you must not have turtled they must not have turtled	I must not have been turtling you must not have been turtling he must not have been turtling we must not have been turtling you must not have been turtling they must not have been turtling

Interrogative form

Simple form	V-ing form
must I turtle? must you turtle? must he turtle? must we turtle? must you turtle? must they turtle?	must I be turtling? must you be turtling? must he be turtling? must we be turtling? must you be turtling? must they be turtling?
Perfect	V-ing perfect
must I have turtled? must you have turtled? must he have turtled? must we have turtled? must you have turtled? must they have turtled?	must I have been turtling? must you have been turtling? must he have been turtling? must we have been turtling? must you have been turtling? must they have been turtling?

Interro-negative form

Simple form	V-ing form
must I not turtle? must you not turtle? must he not turtle? must we not turtle? must you not turtle? must they not turtle?	must I not be turtling? must you not be turtling? must he not be turtling? must we not be turtling? must you not be turtling? must they not be turtling?
Perfect	V-ing perfect
must I not have turtled? must you not have turtled? must he not have turtled? must we not have turtled? must you not have turtled? must they not have turtled?	must I not have been turtling? must you not have been turtling? must he not have been turtling? must we not have been turtling? must you not have been turtling? must they not have been turtling?