In what cases is the mode of verbs used?

Verb tenses in the subjunctive mood are used in special kinds of statements. The most common use of the subjunctive mood is in contrary‐to‐fact or hypothetical statements.

Explanation:

the examples that saki used to represent satire through situational irony are options two (2) and five (5) inasmuch as the wolf thought that looking for a girl in the bushes could be as easy as hunting little pigs at the park, but it took him so much time to find the girl if it had not been not for a silly mistake. also, bertha would have survived to the wolf's hunt if she had not won those medals for goodness, which at the end they were what got her killed by making noise, so winning medals of goodness was not so good achievement, after all.

the tree invited all its friends to its lumber party. the party was at saruman's tower in isengard because saruman had killed some trees