Answer: The correctly spelled plural forms are "stories", "jinxes", "alleys" and "slices".
Explanation: When writing the plural form of a noun, it is necessary to pay attention to the rules regarding the formation of plurals. In English,<u> the plural form is generally formed only by adding an "-s" at the end of a noun</u>.<u> This is the case of "alley" and "slice",</u> whose plural forms are "alleys" and "slices" respectively. However, in other cases<u>, when words end in "-x"</u>, "-sh" or "-ch",<u> plurals are formed by adding the suffix "-es" at the end</u> of the noun. One example is the noun "jinx", whose plural form is "jinxes". Finally,<u> when a noun ends in a consonant followed by an "-y", the final "y" is changed into "i" and the suffix "-es" is added at the end</u> of the word. For example, <u>the plural form of "story" is "stories"</u>. In that way, taking into account these rules, "taxs" and "toyes" have been incorrectly spelled. The plural forms of "tax" and "toy" are "taxes" and "toys".