في The modal auxiliary verbs are
يوجد
1. Modal auxiliary verbs help other verbs
2. There is no ‘s’ in the third person singular
3. In the negative form there is no ‘don’t/doesn’t
4. There is no Do/Does in the question
5. Modal auxiliary verbs don’t have past forms except for can.
متى استخدم كل واحد
وشكرا