Turn these sentences into passiv

Turn these sentences into passive voice

     1. My father waters these flower trees every morning.

     __ These flower trees are watered by my father every morning.

     2. John has invited Fiona to his birthday party since last night.

     __ Fiona has been invited to his birthday by John since last night

     3. Her mother is preparing the dinner in the kitchen.

     __ The dinner is being prepared in the kitchen by her mother

     4. We should decorate our house before the festival.

     __ Our house should be decorated by us before the festival

     5. Our teachers are going to give us a free period this Saturday to prepare the festival.

     __ We going to be gived by our teacher a free period this Saturday to prepare the festival
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