Show apostrophes The moons rays shone feebly on the path, and I heard the insects chirpings and whistlings.

moon's rays

insects'

In the sentence you provided, there are two instances where apostrophes are used. Apostrophes are punctuation marks used to indicate possession or to show the omission of letters in contractions.

1. Example of possession: "moon's rays"
In this case, the apostrophe is used to show that the rays belong to the moon. It indicates possession.

2. Example of omission in contractions: "insects' chirpings and whistlings"
In this instance, the apostrophe is used to indicate that the letters "gs" were omitted in the word "insects." This contraction is commonly used in informal writing to represent the plural possessive form of a noun.

Remember that apostrophes are not used to make words plural, but they do have these two specific purposes: indicating possession and showing contracted words.