Составить предложения в present, past, future perfect. 1) we (watch) this football match. 2)our operators (develop) many new programs.

We have watched this football match 
We had watched this football match 
We will have watched this football match
Our operators have developed many new programs
Our operators had developed many new programs
Our operators will have developed many new programs

Representatives of the genus are low herbaceous plants with simple or double-peristorassečënnymi leaves, composed of many thin fractions [5]. Inflorescence a complex — hemispherical with a diameter of 4 baskets — 20 mm combined in shchitkovidnoe an inflorescence. In basket flowers are of two types: disk space are yellow, tubular flowers are Monoecious, with edge-white ligulate pestichnye (occasionally there are baskets only with tubular flowers). Receptacle is hollow, often conical [7]. The fruit is an achene with three or four thin ribs, with barely noticeable tufted (sometimes without) [7]. Smell a faint, very distinctive. Be pollinated by the following wasps, bees less often. Chamomile flower starts early, her beautiful white-yellow flowers commonly found in March-April, and in warmer areas even in February. 

1. If I knew French, I should have spoken to her long ago. 2. If I knew German, I should read Goethe in the original. 3. If I lived near, I should call on you more often. 4. If you had not interrupted us yesterday, we should have finished the work on time. 5. If he had not followed the doctor's advice, he would not have recovered so soon. 6. If he were not a talented painter, his picture would not have been taken to the exhibition. 7. If you had listened to my advice then (had followed my advice then), you would not be in such a difficult situation now. 8. If I were not so busy these days, I should have helped you yesterday. 9. If he were not so near-sighted, he would have recognized me at the theatre yesterday. 10. She is well. If she were ill, her brother would have told me about it yesterday. 11. You would know a lot if you read this magazine regularly. 12. If I had learnt about it before, I should not be staying at home now. 13. If my parents were rich, they would have bought me a car long ago. 14. She is very talented. I wish her parents bought her a piano. If she begins to play the piano now, she will become an outstanding musician.