Can you use past and present tense in a novel?

Time stopped at eighteen for Ji Yi, and now all she wants to do is pick up from where she left off. Her career depends on it, and on top of that, she has to survive a fake marriage turned real! Some missed opportunities are irreplaceable, and some misunderstandings between them have proven near-fatal, but for He Jichen, he isn’t just a pretty face—he’s an opportunist. They may have lost their prime years together, but He Jichen is more than willing to spend his remaining years with her. If only she would just trust him… Will Ji Yi be able to find true love in this life? Can she outmaneuver all the snakes plotting her downfall? Only time will tell...

Keeley, a simple plain Jane, hits the jackpot. [No, she did not win the lottery!] At least that's what she thinks when she marries the most eligible bachelor in New York City: Aaron, a wealthy cold-hearted heartthrob and Tycoon. She wants to show the world that she deserves her position and bends over backward to fit into his world. One beautiful day, Aaron hands her a document asking her to sign. A divorce paper... "She's pregnant, and I need to take responsibility." That is the last thing that keeps on playing in her mind before she takes her last breath. Keeley dies, a 'hit and run'. [End of story. Not!] For some unexplainable reason, she wakes up as her younger self. A young high school girl, around the time when she first meets her cheating husband. Remembering her life with Aaron before she died, she makes a promise to herself that she will do everything in her power to avoid him at all costs. Will she be able to keep her promise when Aaron has his own plans as well, specifically for her? Or will she repeat history and fall for him once more... Why not journey with me and find out the truth behind their story. *Cover art by polkadottedscrunchie*

In the past, Yu Xiao Yun was tricked, betrayed, and at the moment of her death, she finally understood how twisted her fate was. Her parents had died and her elder brother was thrown to jail. She realized that everything was her fault. Her fault for being too naive and innocent to the world. However, the wheel of fate turned again and the next moment Yu Xiao Yun opened her eyes, she realized that she had gone back to the past. The past where everyone condemned her? The past where her beloved was forced to the edge by her own hands? Where her parents died? Or where her elder brother was sent to jail? None of that should ever happen again! Xiao Yun wasn't the same person the moment she was reincarnated. She had turned into a clever and evil to avenge everyone that she lost in the past. Once again, she was engaged to Wang Li Lei, the most renowned "Demon Lord of the century". The person who she wronged in the past and fell in love with him again. And so began the life of Xiao Yun and the possessive love of the demon lord who always showered her with love. The Demon Lord who always spoiled her to the point of vomiting sugar! By the side of Wang Li Lei, her beloved; her second life plan was to turn everything upside-down! Using evil trick to trap everyone by her palm, the naive little girl turned into the fiancee of the demon lord. Discord link to join the author as a reading comrade: https://discord.gg/YPKueb4 [ The Picture in the cover isn't mine ]

“Did you offer to let me live at your house for my safety or because you had other intentions?” Minhyun stared at her with a playful smile on his face. “If I were to be honest, I would say both.” “It’s like... Wait... What?! I was joking! What other intentions are you talking about?!?” Yoona widened her eyes in the midst of her sentence. Did she just hear what he said? He fixed his tie. “Its a secret.” “Mini!” —- When he was a child, Minhyun had nobody to lean on. His days were filled with darkness. That is, until he met Yoona. After they became friends, he smiled for the first time in a long time. Every night, he felt excitement in his chest for the next day to come. She brought the foreign feeling of happiness in his heart and was able to heal his loneliness. However, the cold reality of this world separated the two children. One becoming darker than he once was, and the other struggled to make end's meet. After fifteen years, the childhood friends meet again as adults. Yoona becomes a university student, while Minhyun overtakes his father as the CEO of MH conglomerate, one of the biggest companies in the world. With newfound enemies and cold betrayals, would the two be able to find love? But most importantly of all, will they be able to help each other heal the demons of their pasts? [Happy ending and not too melodramatic like most stories] TAGS: #Female Protagonist #Comedy #Handsome Male Lead #Modern Day #Pretty Female Lead #Revenge # CEO ---- If you like my novel, don't forget to support! https://ko-fi.com/authorsho Discord link: https://discord.gg/YzVvebP

Being taken away of all his freedom, Noah was thrown into the jail accused of a murder he hadn't committed. This incident broke his personality permanently, getting out of the jail Noah started living as a shut-in giving up at everything.  Noah read novels as a mean to pass his time, while reading novels an particular novel caught his eyes, it's name was 'the hero of velveric fights the demon lord' 'It's a harem novel......' That was what Noah had thought in the beginning but, it all changed at the end of the novel.  'What the Hell's with this crazy novel!' The protagonist and all his harem members were killed and in the end the demon Lord took over the world.  It was then, after finishing reading the novel, Noah started coughing out blood and succumbed to his lung disease. Opening his eyes Noah found himself in a body of a 8 year old kid of the Melvix family which appeared in that crazy novel. He was known as the garbage of the Melvix family by all the knights and family members but that didn't matter to Noah. What matter is that- 'It's impossible to survive in the novel if you are not strong enough......' ********************************************** The cover used for this novel isn't mine. if you are owner of it and want to remove it please inform me.

Ryuuji Taiga, an otaku who failed his interview many times, found himself standing in a weird house. The owner of the house was a wish granter and tells him that he can grant what his deepest desires. With this wish, he was reincarnated as a baby and realized that he took over Rudeus Greyrat's body. Together with 5 specific anime inheritances, he will satisfy himself and live to his own accord. DISCLAIMER: Mushoku Tensei are not mine and was owned by Rifujin no Magonote-sensei. All characters that was mentioned in this story are not mine. I also recommend to read the manga or the novel since the original story are really good and promising.