Online learning has transformed conventional habits in learning English during the pandemic. One of the most popular platforms for facilitating this learning process is Google Classroom In addition, learning media such as video learning materials are frequently used to support material delivery. It becomes the gap of this present study, some previous research only study on the perception of using Google classroom. This study aims to investigate teachers' perceptions toward the use of Google classroom and video learning materials in supporting students to understand grammar and discover the problems that arise during the learning process, as well as the strategies, encounter to address these problems. This study applies a qualitative method. Data was collected through interviews, observation, and documentation. The subjects of this study were two English teachers at SMPN 28 Semarang. The finding demonstrates that teachers considered Google Classroom and video learning materials could help students understand grammar since they are easy to access. They also believe it has a beneficial effect on students and is suitable to teach grammar. While, some of the obstacles faced were the lack of facilities, less students’ interaction, and difficulties in producing videos independently. Teachers have attempted to address the problems in several ways, including providing instruction outside of school hours for students with limited facilities, keep provides videos that discuss relevant material, and persuading students to ask questions. By understanding the identification of teachers' perceptions and the problems they experience, this research offers implications for teachers in developing more innovative and interactive online English learning