Harry didn't have a very good morning. At half past ten he HAVE to go and see the head teacher in his office. His science teacher said that he TALK in the classroom during the lesson but actually, it was his friend, Chris. Harry didn't TELL the science teacher about that. In the afternoon, Harry's class had a history lesson. They all loved their teacher, Mrs. Norton, because she liked telling stories and always told them very GOOD. They had a very interesting lesson about some wonderful castles around England. It was a real surprise when the teacher said, "Friends! AT the weekend our school organises a trip to a castle. Please, NOT/FORGET an umbrella. You will need it if it RAIN." Harry was really excited about the trip. He felt much HAPPY than in the morning.

Правильный вариант текста:

Harry didn't have a very good morning. At half past ten he had to go and see the head teacher in his office. His science teacher said that he was talking in the classroom during the lesson but actually, it was his friend, Chris. Harry didn't tell the science teacher about that.

In the afternoon, Harry's class had a history lesson. They all loved their teacher, Mrs. Norton, because she liked telling stories and always told them very well. They had a very interesting lesson about some wonderful castles around England.

It was a real surprise when the teacher said, “Friends! At the weekend our school is organising a trip to a castle. Please, don't forget an umbrella. You will need it if it rains.”

Harry was really excited about the trip. He felt much happier than in the morning.

Пояснения:

• had to — прошедшая форма выражения have to, потому что речь идёт о том, что произошло утром.

• was talking — Past Continuous: учитель сказал, что Гарри разговаривал в определённый момент во время урока.

• После didn't используется начальная форма глагола: didn't tell, а не didn't told.

• well — наречие, потому что оно описывает, как миссис Нортон рассказывала истории. Good — прилагательное.

• is organising — Present Continuous для запланированного события в будущем.

• don't forget — отрицательное повелительное предложение.

• В придаточном предложении с if для будущего используется Present Simple: if it rains, не if it will rain.

• После much в сравнительной степени нужно happier: much happier.