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

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