1. If you are busy, I will leave you. If you were busy, I would leave you. If you had been busy, I would have left you.
2. If my friend comes to see me, I will be very glad. If my friend came to see me, I would be glad. If my friend had come to see me , I would have been glad.
3. If mother buys a cake, we will have a very nice tea party. If mother bought a cake , we would hhave a very nice tea party. If mother had boughta cake , wewouid have had a verry nice tea party.
4. If we recieve a telegra from him, we won't worry. If we recieved a telegram, we wouldn't worry. If we had recieved a telegram from him, we wouldn't have worried
Объяснение:
If you are interested in the environment, (B5) there … is an excellent website called Tigernation. The website was set up to help with the conservation of tigers. It focuses its work particularly on India, a country (B6) where ... many thousands of tigers once lived. There are now fewer (B7) than … 2,000 remaining there. Did you know that a tiger's stripes are like a person's fingerprints in the sense that every individual is unique? This makes (B8) it … possible for the website to track the tigers as it recognises them by the pattern of their stripes.
