“YANGI INGLIZ DAVRINING MUHIM GRAMMATIK O’ZGARISHLARI: FE’L VA UNING SHAKLLARI”. Zamonaviy Dunyoda Pedagogika Va Psixologiya, vol. 1, no. 20, Aug. 2022, pp. 17-22, https://www.in-academy.uz/index.php/ZDPP/article/view/18272.