Почему в этом выражении использовано Will а не going to

The Southerners felt that they were fighting for a principle of political freedom which ought to appeal to every Briton; they had been brought up to believe that slavery was a system emphatically sanctioned by Scripture,
and half of them were much more alive to the condition of perfect contentment in which most of the slaves lived in the older states than to the ghastly abuses to which the whole system was liable.

. Make the following sentences passive.
1. A spinster has left a fortune.
2. He helped her in other ways.
3. They must do the work carefully.
4. He is signing the contract of employment now.
5. He will do me a favour, I'm sure.
6. They don't manufacture marine engines.
7. They won't tell the staff about the problems.
8. One can see the beauty of the buildings and the garden

Перепишите предложения. Определите видовременную форму и залог глаголов. Укажите их инфинитив. Предложения переведите.
1. Are you going to the bank? – No, I have already been there today.
2. Tom wasn’t at home when I arrived. He had just gone.
3. Jack is not working tomorrow, so we can go out somewhere.
4. There will be an interesting programme on TV tomorrow.
5. It is the most boring film I have ever seen.
Помогите пожалуйста с заданием(