2016-2017学年 人教版 必修三 Unit 1 Festivals around the world Grammar课件 (9张)
2016-2017学年 人教版 必修三  Unit 1 Festivals around the world Grammar课件 (9张)第4页

can and could Jim can speak English well. (ability) No one could finish the test last week. (ability) The teacher said that we could not leave early. (permission) The hunters are lost. They could starve. (possibility) Could you please show me the way to Beihai Park? (request)