Unit 4 Subject-verb agreement(2) 课件-2021-2022学年高中英语外研版（2019）选择性必修第三册

Subject-verb agreement(2) 复习回顾： Ten years _____(be) quite a long time. The rich _____(live) a happy life, while the poor_____(live) a hard life. The unknown_____ (be) what interests me. Maths ______(be) difficult to learn. The Arabian Nights ______(be) a very interesting book. All of the rubbish ______(be) cleared away. All of the classmates _______(have) passed the examination. The family______(be) the basic unit of our society. The family ________(be) watching the TV. is live live is is is was have is were A number of new products ________(have) been successfully produced. The number of people doing fitness training_____(be) on the increase. The Chinese people ______(be) brave and hardworking. Every means ________(have) been tried. All possible means_______(have) been tried. Walking and riding ______(be) good exercises. E-mail, as well as telephones, ______(be) playing an important part in daily communication. have is are has have are is 1 当主语被分数（百分数）、表示量的词汇all, some,