1. If you are busy, I will leave you alone.
If you were busy, I would leave you alone.
If you had been busy, I would have left you alone.
2. If I live in Moscow, I will visit different conference every month.
If I lived in Moscow, I would visit different conference every month.
If I had lived in Moscow, I would have visited different conference every month.
3. If she knows English, she will get a well-paid job.
If she knew English, she would get a well-paid job.
If she had known English, she would have got a well-paid job.
4. If my friend comes to see me, I will be very glad.
If my friend came to see me, I would be very glad.
If my friend had come to see me, I would have been very glad.
5. If they offer me this job, I will agree.
If they offered me this job, I would agree.
If they had offered me this job, I would have agreed.
6. If he invites me to the party, I will go.
If he invited me to the party, I would go.
If he had invited me to the party, I would have gone.
The weather can be warm, cold or rainy.
Girls can be tall, blue-eyed or brunettes.
Boys can be tall, muscular or short-haired.
Lessons can be difficult, easy or interesting.
Food can be healthy, light or oily.
Big cities can be noisy, with big buildings or with bad air.
The countryside can be small, quiet or beautiful.
Drinks can be cold, hot or bitter.
Movies can be long, boring or interesting.
Students can be sleepy, noisy, or smart.
Books can be interesting, long or short.
Coffee can be bitter, hot or cold.
