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1. Uses of the SIMPLE PRESENT TENSE In the following examples, the simple present expresses perceptions, feelings, or states that occur or exist at the moment of speaking. The perceptions, feelings or states may, of course extend somewhat beyond the moment of speaking, but the focal point is the immediate present.
3. In the following examples, the simple present expresses activities(states, conditions, feeling, etc.)that extend for varying lengths of time beyond the moment of speaking .
The activities have existed before, and will probably continue to exist after , the moment of speaking . But the beginning and ending are unknown or unimportant.
5. In the following examples, the simple present expresses activities which have occurred at intervales before, and will probably continue to occur at intervals after, the moment of speaking. Adverbs of frequency(every day , usually , etc) often help the verb in expressing intervals of activity.
7. In the following examples , the simple present expresses activities that are relatively permanent . (some of the statements are general truths.)
9. In the following examples , the simple present expresses activities that will take places in future time. Adverbs indicating future time(tomorrow , next week , etc) usually modify the verb.