Using Verb Tenses

Verb Tenses

Unit 2 Grammar

The Present Tenses

These tenses show events occuring in the present time.

​Present	​Action occurs in the present.	​count, counts
​Present Perfect	​Action began in the past and continues in the present	​has counted, have counted
​Present Progressive	​Action is in progress now	​is counting, are counting

The Past Tenses

These tenses show events occurring in a past time.

​Past	​Action began and ended in the past	​counted
​Past Perfect	​Action began and ended before another event in the past.	​had counted
​Past Progressive	​Action in the past was ongoing	​was counting

The Future Tenses

These tenses show events occurring in a future time.

​Future	​Action will occur in the future	will count
​Future Perfect	​Action will occur in the future before another action in the future	​will have counted
​Future Progressive	​Action in the future will be ongoing	​will be counting

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In normal activities, we usually ​

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ten for counting.

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Last night, whoever ​

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sheep did so on a base ten system.

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Tomorrow, children ​

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their fingers to find answers to math facts.

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Long ago, our counting system ​

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with the base of ten.

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Obviously, using ten ​

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easily because of our ten fingers.

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Some of the oldest writings still in existence ​

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counting by ten.

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Over 2,000 years ago, Romans ​

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ten-based numerals.

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Since the founding of the country, the U.S. government ​

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coins and bills based on a decimal system.

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Yet a ten-based system is not the only one you ​

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today.

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A clock ​ ​

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to twelve and then starts over.​

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Before an hour passed, sixty minutes ​

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A week ​

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of seven days, not ten.