chance these sentences into a good form a. sharah (be) busy preparing her thesis (-) and (?) b. we (not, break) the vase (+) and (-)

sharaj will be busy preparing her thesis
sorry kalau salah

a. (+) Sharah is busy preparing her thesis
(-) Sharah isn't busy prepare her thesis

b. (+) we were break the vase
(-) we weren't break the vase
maaf kalo salah yaaa