Keep verb tense consistent. Don't shift tenses.
Inconsistent, and shifting tenses:
We walk to the store then we run to get away from a bully. We crossed the street. On the way, we say hello to our friends.
present tense
The past tense is wrote; the future tense is will write.
Inappropriate changes would be called "problems with tense." Appropriate use of tense in a literary work involves maintaining the tense throughout the work. If you are writing in the present...verbs are in present tense; if writing in past tense, verbs will be in past tense, etc for future tense.
Usage of Past Tense or Present Tense is all depends on the topic.
The present progressive tense of write is:I am writing.You/We/They are writing.He/She/It is writing.
Yes it's important.
It is when a writer switches between tenses. For example, they might begin writing in the present tense but then they switch to writing in the past tense.
present tense
I am choosing.You/we/they are choosing.He/she/it is choosing.
Typically writers shouldn't switch tenses as it becomes confusing for the reader.
The past tense is wrote; the future tense is will write.
The irregular verb "choose" has the following present tense forms: I/you/we/they choose he/she/it chooses
Present tense - choose/chooses Present participle - choosing Past tense - chose Past Participle - chosen Future tense - will choose
writing
Writing
Inappropriate changes would be called "problems with tense." Appropriate use of tense in a literary work involves maintaining the tense throughout the work. If you are writing in the present...verbs are in present tense; if writing in past tense, verbs will be in past tense, etc for future tense.
Simple past tense - chose. Past participle - chosen. Present tense - I/you/we/they choose. He/she/it chooses. The present participle is choosing. Future tense - Will choose.