Second Conditional
If I __________ (to win) the lottery, I ________ (to buy) a big house.
If I won the lottery, I would buy a big house.
If I ________ (to met) the Queen of England, I _______ (to say) hello.
If I met the Queen of England, I would say hello.
She _________ (to travel) all over the world if she _______(to rich).
She would travel all over the world if she were rich.
If people _________ responsible with Covid-19, they _________ (to use) a mouth cover.
If people were responsible for Covid-19, they would use a mouth cover.
If people _________ (to drive) more carefully, there ________( to be) fewer accidents.
If people drove more carefully, there would be fewer accidents.