ПОмогите сделать упражнение по английскому пожалуйста!!!!

16. Отнесите информацию, о которой идет речь, к будущему и прошлому, используя со¬ответствующую форму модального глагола или его эквивалент.
ОБРАЗЕЦ А: Не must learn the new words regularly.
He had to learn the new words regularly. He will have to learn the new words regularly.
1. We musT pass the examination in physics. - We had to pass the examination in physics. We will have to pass the examination in physics.
2. He must leave early in the morning. - He had to leave early in the morning. He will have to leave early in the morning.
3. You must read the text again. - You had to read the text again. You will have to read the text again.
4 They must begin their work at 9 o'clock. - They had to beging their work at 9 o'clock. They will have to begin their work at 9 o'clock.
5. She must go there at once. - She had to go there at once. She will have to go there at once.
ОБРАЗЕЦ Б: He can skate well. He could skate well. He will be able to skate well.
1. He can continue his studies at the evening department. - He could continue his studies at the evening department. He will be able to skate well.
2.1 can meet you at the Metro station. - I could meet you at the Metro station. I'll be able to meet you at the Metro station.
3. His father can help him in his studies. - His father could help him in his studies. His father will be able to help him in his studies.
4. I can translate this text without a dictionary. - I could translate this text without a dictionary. I'll be able to translate this text without a dictionary.
5. She can play tennis after work.
ОБРАЗЕЦ В. You may open the window.
You were allowed to open the window. You will be allowed to open the window.
1. You may go home after classes. - You were allowed to open the window. You will be allowed to open the window.
2. They may continue the experiment. - They were allowed to continue the experiment. They will be allowed to continue the experiment.
3. The students may use dictionaries at the translation test. - The students were allowed to use dictionaries at the translation test. The students will be allowed to use dictionaries at the translation test.
4. He may take my pen. - He was allowed to take my pen. He will be allowed to take my pen.
5. The tourists may attend the sitting of the Parliament. - The tourists were allowed to attend the sitting of the Parliament. The tourists will be allowed to attend the sitting of the Parliament.

PS
1. Спасибо за предоставленные упражнения на скорость печати: -)
2. Не забывайте выбирать ЛО, а то в следующий раз помогать не буду: не хотца своё время на неблагодарных тратить - буду тренироваться на кошках: -)!