can you mix past and present tense in a story

Sure you can. It depends on the style and effect you want to create. Sometimes, it can add variety and emphasis.

Yes, you can. For example, 'I walk to the old house where I grew up. The walls are still the same as they were years ago, but now there are new curtains in the windows.' This mixing can add depth and a sense of time continuity to the story.

No, in a formal report, it's best to maintain a consistent tense. Usually, the past tense is used for reporting past events or research findings, and the present tense for general statements or facts that are still true. Mixing tenses can make the report seem unprofessional and confusing.

The past tense of 'choose' is 'chose', and the present verb is' choosing'. It was as if you had " chosen " something yesterday and were " choosing " now. " Choose " was equally exciting. Everyone was welcome to read it!

The marker of the present perfect tense is already or has already passed, indicating that the action has continued from a certain time in the past until now. For example: - She had already walked for an hour. - He had learned a foreign language before. The marker of the past perfect tense is used to indicate that the action has been completed before a certain time in the past. For example: He had been learning a foreign language for a year. - She had been walking for an hour and five minutes. It should be noted that the past perfect tense is usually used to indicate actions that have been completed before a certain time in the past, while the present perfect tense is used to indicate actions that are currently being done.

Marks are words used to express the relationship between time, such as past, present, future, etc. The present perfect tense means that the action started at a certain point in the past and continues until now. The emphasis is on the duration of the action. The simple past tense meant that the action was completed before a certain point in the past, emphasizing the start time of the action. In novels, it was often necessary to use the present perfect tense and the simple past tense to describe the actions and states of the characters. For example, if a character started doing something at a certain point in time and continued until now, it could be expressed in the present perfect tense, while if a character completed something before a certain point in time in the past, it could be expressed in the simple past tense. For example: - He had been busy the whole day until ten o'clock in the evening. - He had once learned a new skill but had never had the time to practice it. - Last night, she dreamed that she had gone back in time and changed everything. In these examples, the markers "always","until","once","but", etc. are used to emphasize the duration and sequence of actions.

The present perfect tense is marked with have/has, and the past tense is marked with had. For example: - I have finished my homework - She had gone to the store before she came back home Note that the present perfect tense and the simple past tense are different in grammar. The present perfect tense focuses on actions that have been completed before a certain point in the past while the simple past tense focuses on actions that have taken place before a certain point in the past.

The past tense of 'write' is written, and the present tense is 'writer'. " Choose " was equally exciting. Everyone was welcome to read it!

Yes. It could be used to create a sense of timelessness or to draw attention to specific moments. However, it needs to be used sparingly and with a clear purpose to avoid disrupting the overall past tense narrative.

It depends. Both present and past tenses can be used in fiction. Some genres or styles might favor one over the other.