Complete the sentence with useful form. II variant
1. If it … hot, they … spend the day on the beach.
2. I … believe him if he … tell me lies.
3. Her salary … be low if she … to find a better job.
4. She … lend John money if he … back.​

If it gets hot they spend the day on the beach

I wouldn’t believe him if he tell me a lies

her salary would be low if she find a better job
She’ll lend money to John if he pays it back