Ну елки-палки! ! я уже в 4 раз пишу один и тот же вопрос. кто сделает, получит 20 . задайте 4 типа вопросов ( специальный, общий, альтернативный и разделительный) к этому предложению : 1) mary has been teaching french since 1990. (мария преподавала французский язык с 1990.) 2) peter has been making model planes since 1992. ( питер делал модельные самолеты с 1992.)

1) Mary has been teaching French since 1990,hasnt he
 Has Mary  been teaching French since 1990. 
 Has Mary  been teaching French or Spanish  since 1990. 
Who has been teaching French since 1990?
What language  has Mary been teaching  since 1990?
How long has Mary been teaching French?
2) Peter has been making model planes since 1992,hasnt he?
Has Peter been making model planes since 1992. ?
Has Peter  been making model planes since 1992. ?
Who has been making model planes since 1992?
What has Peter been making since 1992?
How long has Peter been making model planes ?