متن زیر 4 اشتباه گرامری دارد. آنها را بیابید و شکل درست آنها را بنویسید. Jack is my classmate. There is 30 students in my class. My best friend, Jack is a clever student. He help me with my English. He is very helpful and hardworking. He is study online now. He don’t play tennis. He can swim very well. 1. …………………………… 2. …………………………… 3. …………………………… 4. ……………………………… 2