Предложение в парке было много детей по ?

Many children were in the park.

У англичан есть 4 типа использования FS после if. (у англичан это называется - zero, first, second, third conditional)

1. You will never finish your work if you waste your time like that. (First Conditional) (После if нет will, время: future simple (первый тип, естественно)

2. If I had his telephone number, I should easily settle this matter with him. (Если бы я имел (had), это в will 2 тип использования will после if), тут ещё возможно I would (так правильнее), но тут стоит should. (Second Conditional)

3. If it rains tomorrow, our game will be cancelled. (First Conditional) (Present Simple после If it, т.к это первый тип)

4. If a dog bit in her leg, she would go straight to hospital. (Second Conditional)

5. If he had known it was going to rain, he would have taken his umbrella to work today. (Third Conditional) (3 тип это was/were+would).

1 The first Olympic Games took place in 776 B.C.
2 The Olympic games took place every four years in the ancient times.
3 The first competitions were only men. 
4 The Olympic games were abolished by King Theodosius. 
5 The first modern Olympic Games were held in Athens in 1896. 
6 The Olympic Games are organised by the International Olympic Committee. 
7 The president of the International Olympic Committee first makes a speech before inviting the head of state of the host country to officially declare the Games open. 
8 Traditionally, the athletes of Greece always march the first around the stadium. 
9 The Olympic Flame is lit by the last carrier of a relay of runners. 

Так как текст не был дан, то ответы написала по собственным знаниям. ответы верные, но возможно что в тексте написано что-то другое к вопросам 7 и 9 (кто-то конкретный или более\менее подробно описано)