Regular verb: pin - pinned - pinned
Simple form | V-ing form |
I must pin you must pin he must pin we must pin you must pin they must pin | I must be pinning you must be pinning he must be pinning we must be pinning you must be pinning they must be pinning |
Perfect | V-ing perfect |
I must have pinned you must have pinned he must have pinned we must have pinned you must have pinned they must have pinned | I must have been pinning you must have been pinning he must have been pinning we must have been pinning you must have been pinning they must have been pinning |
Simple form | V-ing form |
I must not pin you must not pin he must not pin we must not pin you must not pin they must not pin | I must not be pinning you must not be pinning he must not be pinning we must not be pinning you must not be pinning they must not be pinning |
Perfect | V-ing perfect |
I must not have pinned you must not have pinned he must not have pinned we must not have pinned you must not have pinned they must not have pinned | I must not have been pinning you must not have been pinning he must not have been pinning we must not have been pinning you must not have been pinning they must not have been pinning |
Simple form | V-ing form |
must I pin? must you pin? must he pin? must we pin? must you pin? must they pin? | must I be pinning? must you be pinning? must he be pinning? must we be pinning? must you be pinning? must they be pinning? |
Perfect | V-ing perfect |
must I have pinned? must you have pinned? must he have pinned? must we have pinned? must you have pinned? must they have pinned? | must I have been pinning? must you have been pinning? must he have been pinning? must we have been pinning? must you have been pinning? must they have been pinning? |
Simple form | V-ing form |
must I not pin? must you not pin? must he not pin? must we not pin? must you not pin? must they not pin? | must I not be pinning? must you not be pinning? must he not be pinning? must we not be pinning? must you not be pinning? must they not be pinning? |
Perfect | V-ing perfect |
must I not have pinned? must you not have pinned? must he not have pinned? must we not have pinned? must you not have pinned? must they not have pinned? | must I not have been pinning? must you not have been pinning? must he not have been pinning? must we not have been pinning? must you not have been pinning? must they not have been pinning? |