Найдите ошибку в следующих предложениях и напишите правильный вариант

  • Друзья, пожалуйста, помогите с заданием:

    11). The food that Mark is cooking in the kitchen is smelling delicious.
    12). After John eaten dinner, he wrote several letters and went to bed.
    13). The manager has finished working on the report last night, and now she will begin to write the other proposal.
    14). Because Sam and Mitchelle had done all of the work theirselves, they were unwilling to give the results to Joan.
    15). Daniel said that if he had to do another homework tonight, he would not be able to attend the concert.
    16). After to take the medication, the patient became drowsy and more manageable.
    17). We insist on you leaving the meeting before any further outbursts take place.
    18). It has been a long time since we have talked to John, is not it ?
    19). Henry objects to our buying this house without the approval of our attorney, and John does so.
    20). Rita enjoyed to be able to meet several Congress members during her vacation.

  • 11). The food that Mark is cooking in the kitchen smells delicious.
    12). After John ate/had eaten dinner, he wrote several letters and went to bed.
    13). The manager finished working on the report last night, and now she will begin to write the other proposal.
    14). Because Sam and Mitchelle had done all of the work themselves, they were unwilling to give the results to Joan.
    15). Daniel said that if he had to do another homework that night, he would not be able to attend the concert.
    16). After taking the medication, the patient became drowsy and more manageable.
    17). We insist on your leaving the meeting before any further outbursts take place.
    18). It has been a long time since we talked to John, has it not?
    19). Henry objects to our buying this house without the approval of our attorney, and so does John.
    20). Rita enjoyed being able to meet several Congress members during her vacation.

  • Vitalik, спасибо большое