متن زیر را بخوانید و اشتباهات گرامری (دستوری) آن را پیدا کنید و شکل صحیح آن را بنویسید. (4 اشتباه)
My mother invite her friends last Friday. It were a great party. We not use our mobile phones a lot. My mother friends were very kind and patient. We enjoyed the party very much.