Match phrases from A and B to write first conditional sentences. You will need to change the form of some of the verbs.​

There is such a social network "Odnoklassniki". This social network used to be popular. In "Classmates" I learned a lot of interesting things about different animals. In Odnoklassniki you can upload a lot of interesting photos and videos. You can find your friends and send them a message, or talk on a video call. I really like this social network

Есть такая соц сеть "Одноклассники ". Это соц сеть раньше была популярная. В "Одноклассниках" я узнал много интересного про разных животных. В "Одноклассниках " можно выкладывать много интересных фотографий и видео. Ты можешь найти своих друзей и отправить им сообщение, или поговорить по видео звонку. Мне очень нравиться эта соц сеть

Вроде как-то так.

1 Did the researcher have to include various significant findings of his observations into the report?

2 Does the surgeon have to extend his investigations to make a proper conclusion at present?

3 Do we have to increase the amount of food given to this patient?

1 The researcher didn’t have to include various significant findings of his observations into the report.

2 At present the surgeon doesn’t have to extend his investigations to make a proper conclusion.

3. We don’t have to increase the amount of food given to this patient.