Написать слова в правильной форме: 1. collect they have a large of books at home. 2. scientist she like reading fiction a lot. 3. know their of english allows them to read many interesting books in the orginal. 4. celebration do people new year’s day in your country? 5. confess i was surprised by his sudden 6. nation there is an interesting programme about endangered species and parks this evening.

1. I feel like going for a walk.

In this case, the verb "go" should be used in the gerund form (-ing) after the phrase "feel like." This construction expresses a desire or inclination to engage in the action mentioned.

2. The exercise done by Helen was completely correct.

The verb "do" should be in the past participle form ("done") as it functions as an adjective modifying the noun "exercise." The use of the past participle form indicates that the exercise was completed by Helen in the past.

3. If they had done it yesterday, we would be glad.

The verb "do" should be in the past participle form ("had done") to indicate a hypothetical past action that did not occur. The conditional sentence expresses an unreal condition in the past and its hypothetical result in the present.

4. We have just solved the problem.

The verb "solve" should be in the past participle form ("solved") to indicate a completed action in the past. The use of the present perfect tense ("have solved") suggests that the action happened recently or has relevance to the present.

5. No mistakes were made by Joe in that lesson.

The verb "make" should be in the past participle form ("made") to indicate a completed action in the past. The passive voice construction is used to emphasize that Joe did not commit any mistakes in the mentioned lesson.