B1-B2 GrammarB1+ Upper-intermediate

Future continuous and future perfect

Exercise 3

Exercises:123
Complete the text with the future continuous or the future perfect of the verbs in brackets. Do NOT use contracted forms
Technology is advancing so fast that by the year 2050, who knows what new technologies we 1 (invent). It is quite likely that by 2050, we 2 (use up) most of the earth's natural resources and so we 3 (rely) on wind and solar power. As there will be a shortage of energy, it is quite likely that at that time scientists 4 (try) to find a way for us to live outside the earth. Before the end of the next century, it's possible that people 5 (live) in cities on the Moon or perhaps in cities on the seabed.