Question

Choose the correct sentences in SECOND CONDITIONAL.

1. Astronauts were in the Moon if they would know how to survive there.
2. If astronauts were in the Moon, they would know how to survive there.
3. They will know how to survive if astronauts would be in the Moon.
4. if they would live in the Moon, they will know how to survive there.

Answer 1

Es la 4 por que después el if va el sujeto y luego el would