高中英语语法时态和语态课件(共69张PPT)

时态和语态(Tenses and Voices) 一、时态 英语的时态从时间上看，可分为“现在”、“过去”、“将来”和“过去将来”四大类，每一类又根据动作发生的方式可分为“一般”、"进行"、"完成"和"完成进行"四种情况，因此英语中共有十六种时态。以write为例，其构成形式如下：   一般时态 进行时态 完成时态 完成进行时态 现在 write writes am/is/are writing have / has written have / has been writing 过去 wrote was / were writing had written had been writing 将来 shall / will write shall / will be writing shall / will have written shall/will have been writing 过去将来 should/ would write should /would be writing should /would have written should /would have been writing 动词时态 一.一般现在时态（do/does式）： 1.一般用法: 1〕表示现在经常性或习惯性的动作,e.g. ① He often goes to the cinema. ②My sister wears glasses. ③I go to the school every day. 2〕表示现在或经常性的情况或状态, e.g. ①Mother is ill. ②He likes living in the country. 3〕表示现在的能力、特征、职业等 , e.g. ①He sings well.（能力） ② My father gets up early. （习惯） ③Miss Dothy teaches English. （职业） ④This machine runs smoothly. （特征） 4〕表示客观真理、科学事实 、格言以及不受时间限制的客观存在的事实 , e.g. ①Summer follows spring. （客观规律） ②The earth runs around the sun. （客观规律） ③Fire burns. （客观事