I have to say there are not many real mistakes in your sentences. You can say like that and people can understand you well. But actually Chinese people do not use “把”a lot since we can express in other ways. 我应该把那瓶葡萄酒买了。（我应该买那瓶葡萄酒。） I should buy that bottle of wine. 他们想把他的房子租了。（他们想租他的房子。）If you say it in your original way, it can mean'They want to have his house rented.' They want to rent his house. 妈妈得先把妹妹的生日蛋糕做了。(妈妈必须线做妹妹的生日蛋糕。) Mum must first make little sister’s birthday cake. 你把那本书看了没有？（Perfect one！） Have you read that book. 我把我的手洗了。（我洗过手了。） I washed my hands. 吉娃娃要把那块肉吃了。（吉娃娃想要吃那块肉。） The Chihuahua wants to eat that meat. 他的学生得把这些字写了。(他的学生必须写完这些字。) His students must write these characters. 年轻的售货员得把书店的地板打扫了。(那个年轻的售货员必须扫书店的地。) The young salesman must wash the book shop’s floor. Hpoe these will be helpful：）