1. If i lend you the money, will pay me back next week?(first conditional)
2. He won't come with us unless his brother comes too.(first conditional)
3. If it had rained,they would have cancelled the concert(third conditional)
4. She will lose the match unless she plays better(first conditional)
5. If you practiced harder,you'd soon be able to play guitar well(second conditional)
$\text{Shield Knight}$