The present tense is more common in writing. As you can see by all the explanations I am giving, they are all written in the present tense. That is because it is instructional. Instructional writing is more commonly written in present tense. However, stories in novels are written in past tense.
The reason past and future tense is used more commonly than present tense when speaking is because usually you are telling someone what you have done or what you plan on doing. Speaking in the present tense is used primarily to tell someone what you are currently doing.
As in previous lessons in 'Bored and Greeting' it is very common to have a conversation using the present tense when you run into somebody or when you make or receive a phone call.
Let's use this time now to incorporate what we have learned so far.
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