`1,` If he didn't lose his job, he wouldn't unemployed now.
If + S + V-ed, S + would ( not ) + ... .
`2,` If Tom saw the boss earlier, he wouldn't be waiting for him now.
If + S + V-ed, S + would ( not ) + ... .
`3,` If she didn't drink so much last night, she wouldn't feel ill.
If + S + V-ed, S + would ( not ) + ... .
`4,` If you went to bed earlier, you wouldn't be so tired.
If + S + V-ed, S + would ( not ) + ... .
`\text{Oriana}`