Khoanh tròn vào dạng nguyên thể của động từ ----- Nội dung dịch tự động từ ảnh ----- 3. Circle the infinitive form of verbs. 1. She went into the kitchen to eat some food. 2. My dad came into my room to help with my homework. 3. I put my books on the shelves to tidy my room. 4. I phoned my grandma to say "Happy birthday". 5. My dad used the camcorder to film our party.