Раскройте скобки, употребив Present Perfect, Past Perfect и Future Perfect. Переведите....

Question

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.

Answer 1

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.