释义 |
Contents overview simple present : usePresent Tenses31 simple present: use1general time: It always rains in November.We often use the simple present to talk about timeless truths, permanent situations, or things that happen regularly, repeatedly or all the time.What do frogs eat? (not What are frogs eating?)Alice works for an insurance company.It always rains here in November.I play tennis every Wednesday. 2not used for things happening just around the presentWe do not usually use the simple present to talk about temporary situations or actions that are only going on around the present. Compare:–Water boils at 100° Celsius.The kettle's boiling – shall I make tea? (not The kettle boils …)–It usually snows in January.Look – it's snowing! (not Look – it snows!)–I play tennis every Wednesday.'Where's Bernard?''He's playing tennis.' (not … He plays tennis.)3non-progressive verbsHowever, the simple present is used for this 'around the present' meaning with verbs that do not usually have progressive forms (4).I like this wine. (not I'm liking …)I believe you. (not I'm believing you.)4talking about the futureWe do not normally use the simple present to talk about the future.I promise I won't smoke any more. (not I promise I don't smoke …) We're going to the theatre this evening. (not We go to the theatre this evening.)'There's the doorbell.''I'll get it.' (not I get it.) However, the simple present is used for 'timetabled' future events (37.1).His train arrives at 11.46.I start my new job tomorrow.And the simple present is often used instead of will … in subordinate clauses that refer to the future. (For details, 231.)I'll kill anybody who touches my things. (not … who will touch …)I'll phone you when I get home. (not … when I'll get home.)The simple present is also used in suggestions with Why don't you …?Why don't you take a day off tomorrow?5series of events: demonstrations, commentaries, instructions, storiesWhen we talk about a series of completed actions and events, we often use the simple present. This happens, for example, in demonstrations, commentaries, instructions and present-tense stories (33 for more details).First I take a bowl and break two eggs into it. (not First I am taking …)Lydiard passes to Taylor, Taylor shoots – and it's a goal!'How do I get to the station?''You go straight on until you come to the traffic lights, then you turn left, ….'So I go into the office, and I see this man, and he says to me …6how long? present tenses not usedWe use a perfect tense, not a present tense, to say how long a present action or situation has been going on. (52 for details.)I've known her since 1990. (not I know her since 1990.)Previous Next |