Criteria
Excellent
Acceptable
Not acceptable
Task accomplishment
Fluency
Pronunciation
Grammar
Use of passive voice in past progressive

Keep on studying – You need to practice more. Review pronunciation patterns and remember that speaking clearly and slowly is not always a bad thing. You need more practice – You can express ideas with simple structures. Nevertheless you need more confidence and practice. Well done – You can express your ideas at your own pace and your pronunciation is acceptable. Perfect. You can easily express your thoughts and ideas using articles in English.