2.Подчеркни правильный вариант 7) I am / is / are busy.

Краткий ответ: 7) am 8) is 9) are 10) is 11) is 12) are 13) are

Как выбрать форму: В настоящем времени у глагола to be три формы:

• I → am;
• he / she / it или один предмет → is;
• we / you / they или много предметов → are.

Разбор по номерам:

• 7. I → am.
• 8. Jane = she → is.
• 9. John and I = we → are.
• 10. The picture = it, один предмет → is.
• 11. The grass = it, трава неисчисляемая → is.
• 12. The birds = they, птиц много → are.
• 13. The children = they, детей много → are. Children — множественное число от child.

Проверка: I am busy. Jane is happy. John and I are sad. The picture is nice. The grass is green. The birds are beautiful. The children are noisy.