Что такое first conditional? на англ помогите

Ответить на вопросы: 1) Who was the first man to fly into space?2) Who was the second man to travel into space?3) Who was the first woman to fly into space?4) Who was the first man to walk in space?5) Who was the first astronaut to walk on the Moon?

Примеры на Conditional 1; Conditional 2; Conditional 3

Read information about space exploration. talk to your friend about it, using the past simple tense Russia explores space Sputnik1 1957 : the first satllite 1957 : the first animal in Earth orbit, the dog Laika on Sputnik 2 1961:the first prestion

Помогите составить 10 предложений в First conditional, и 5 в Zero conditional

2 примера на second conditional и first conditional помогите