Regular verb: pin - pinned - pinned
Simple form | V-ing form |
I must pin you must pin she must pin we must pin you must pin they must pin | I must be pinning you must be pinning she 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 she 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 she 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 mustn't pin you mustn't pin she mustn't pin we mustn't pin you mustn't pin they mustn't pin | I mustn't be pinning you mustn't be pinning she mustn't be pinning we mustn't be pinning you mustn't be pinning they mustn't be pinning |
Perfect | V-ing perfect |
I mustn't have pinned you mustn't have pinned she mustn't have pinned we mustn't have pinned you mustn't have pinned they mustn't have pinned | I mustn't have been pinning you mustn't have been pinning she mustn't have been pinning we mustn't have been pinning you mustn't have been pinning they mustn't have been pinning |
Simple form | V-ing form |
must I pin? must you pin? must she pin? must we pin? must you pin? must they pin? | must I be pinning? must you be pinning? must she 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 she 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 she have been pinning? must we have been pinning? must you have been pinning? must they have been pinning? |
Simple form | V-ing form |
mustn't I pin? mustn't you pin? mustn't she pin? mustn't we pin? mustn't you pin? mustn't they pin? | mustn't I be pinning? mustn't you be pinning? mustn't she be pinning? mustn't we be pinning? mustn't you be pinning? mustn't they be pinning? |
Perfect | V-ing perfect |
mustn't I have pinned? mustn't you have pinned? mustn't she have pinned? mustn't we have pinned? mustn't you have pinned? mustn't they have pinned? | mustn't I have been pinning? mustn't you have been pinning? mustn't she have been pinning? mustn't we have been pinning? mustn't you have been pinning? mustn't they have been pinning? |