Сделайте предложение отрицательным 1.the teacher gave instruktions to the students. 2. peer groups often develop distinctive subcuitures. 3.they engaged in different types of activites. 4. we will obtain good results

1.the teacher didn't give instructions to the students.
2. peer groups don't develop distinctive subcuitures.
3.they didn't engage in different types of activites.
4. We won't obtain good results 

 1.the teacher didn't give instruktions to the students.
2. peer groups don't often develop distinctive subcuitures.
3.they didn't engage in different types of activites.
4. We will not obtain good results