一般现在时的用法1) 经常性或习惯性的动作,常与表示频腮度的时间状语连用。2) 客观真理,客观存在,科学事实。 The earth moves around the sun. Shanghai lies in the east of China.3) 表示格言或警句中。 Pride goes before a fall. 骄者必败。一般过去时的用法1)在确定的过去时间里所发生的动作或存在的状态。 时间状语有:yesterday, last week, an hour ago, the other day, in 1982等。 Where did you go just now?2)表示在过去一段时间内,经常性或习惯性的动作used to / be used to used to + do:"过去常常"表示过去习惯性的动作或状态,但如今已不存在。 Mother used not to be so forgetful. Scarf used to take a walk. (过去常常散步) be used to + doing: 对……已感到习惯,或"习惯于",to是介词,后需加名词或动名词。 He is used to a vegetarian diet. Scarf is used to taking a walk.(现在习惯于散步)一般将来时1) shall用于第一人称,常被will 所代替。 will 在陈述句中用于各人称,在争求意见时常用于第二人称。 Which paragraph shall I read first. Will you be at home at seven this evening?2) be going to +不定式,表示将来。 a. 主语的意图,即将做某事。 What are you going to do tomorrow? b. 计划,安排要发生的事。 The play is going to be produced next month。 c. 有迹象要发生的事 Look at the dark clouds, there is going to be a storm.3) be +不定式表将来,按计划或正式安排将发生的事。 We are to discuss the report next Saturday.4) be about to +不定式,意为马上做某事。 He is about to leave for Beijing.注意:be about to 不能与tomorrow, next week 等表示明确将来时的时间状语连用。be going to / will用于条件句时, be going to 表将来 will 表意愿be to和be going tobe to 表示客观安排或受人指示而做某事。 be going to 表示主观的打算或计划。I am to play football tomorrow afternoon. (客观安排)I'm going to play football tomorrow afternoon. (主观安排)一般现在时表将来下列动词:come, go, arrive, leave, start, begin, return的一般现在时表将来...