3. Modal verbs ในกลุ่มนี้สามารถทำเป็นประโยคปฏิเสธหรือคำถามได้เลย โดยไม่ต้องใช้กริยาช่วยตัวอื่น เช่น do หรือ does เข้ามาช่วยอีกแล้ว เช่น ถูก She mustn’t enter here.
3. Modal verbs in this group can do is reject or question at all. Without the use of verbs, another Assistant, such as do or does come again example.Is She mustn't enter here.
3. Modal verbs in this group can be a sentence or question it. Without the use of verbs such as helping others do or does he help again, as was She must not enter here.
3. Modal verbs in this group can make sentences or questions. Without the use of auxiliary verbs, such as do or other does help again, such asBe She mustn "t enter here.