Найдите ошибку в следующих предложениях и напишите правильный вариант

  • Друзья, помогите, пожалуйста, с заданием:

    1). Buying clothes are often a very time-consuming practice because those clothes that a person likes are rarely the ones that fit him or her.
    2). Because they had spent too many time considering the new contract, the students lost the opportunity to lease the apartment.
    3). These televisions are all too expensive for we to buy at this time, but perhaps we will return later.
    4). After she had bought himself a new automobile, she sold her bicycle.
    5). The next important question we have to decide is when do we have to submit the proposal
    6). George has not completed the assignment yet, and Maria has not neither.
    7). John decided to buy in the morning a new car, but in the afternoon he has changed his mind.
    8). Some of the plants in this store require very little care, but this one needs much more sunlight than the others ones.
    9). After George had returned to his house, he was reading a book.
    10). Many theories on conserving the purity of water has been proposed, but not one has been as widely accepted as this one.

  • 1). Buying clothes is often a very time-consuming practice because those clothes that a person likes are rarely the ones that fit him or her.
    2). Because they had spent too much time considering the new contract, the students lost the opportunity to lease the apartment.
    3). These televisions are all too expensive for us to buy at this time, but perhaps we will return later.
    4). After she bought/had bought a new automobile, she sold her bicycle.
    5). The next important question we have to decide is when we have to submit the proposal.
    6). George has not completed the assignment yet, and Maria has not either.
    7). John decided to buy a new car in the morning, but in the afternoon he changed his mind.
    8). Some of the plants in this store require very little care, but this one needs much more sunlight than the other ones.
    9). After George returned/had returned to his house, he read a book.
    10). Many theories on conserving the purity of water have been proposed, but not one has been as widely accepted as this one.