Запиши только пропущенные слова в нужной форме. (to be) my mum's birthday. We (to have) a party tonight, but

Запиши только пропущенные слова в нужной форме. (to be) my mum's birthday. We (to have) a party tonight, butshe (not to know) anything about it. (to phone) all of her frends yesterday and (to ask) them to come to our house at 6 o'clock. It (to be) a great surprise.