Помогите. Очень нужно.Write full sentences. Use is/isn't/are/aren't…

Помогите. Очень нужно.Write full sentences. Use is/isn't/are/aren't 1. (my brother a teacher) 2. (this house not very big) 3. (the shops not open today) 4. (my keys in my bag) 5. (Jenny 18 years old) 6. (yon not very tall)