1. Jack and Jill be going to have dinner at the restaurant tomorrow. They have already booked the table.
2. I am not sure if it will rain.
3. Maybe he will become a president one day.
4. Look! The building be going to fall.
5. It seems that this book will be a bestseller.
6. He be going to fly to Moscow tomorrow at 3 o’clock
Я кнш не особо шарю, но вот, попробовала так сказать.