Раскройте скобки, употребив present perfect, past perfect и future perfect. переведите. e.g. the students have discussed the famous scientists. the students had discussed the famous scientists. the students will have discussed the famous scientists. 1. the scientist … (write) about important events. 2. food production … (increase) considerably. 3. the growth of population … (decline) significantly. 4. we … (translate) many articles. 5. the students … (not complete) the experiment.

1. the scientist … (has written) about important events. 2. food production has (increased) considerably. 3. the growth of population … (has declined) significantly. 4. we … (have translated) many articles. 5. the students … (have not completed) the experiment.1. the scientist … (had written) about important events. 2. food production had (increased) considerably. 3. the growth of population … (had declined) significantly. 4. we … (had translated) many articles. 5. the students … (had not completed) the experiment. 1. the scientist … (will have written) about important events. 2. food production will have (increased) considerably. 3. the growth of population … ( will have declined) significantly. 4. we … ( will have translated) many articles. 5. the students … ( will not have completed) the experiment.

1)с 2)b 4)a 5)a 6)d 7)b 8)c 9)c 10)a 11)a 12)a 13)b(might have run) 14)c 15)a