Conjugating a Verb

Present tense third person singular verbs describe actions that are regular or general truth or habit.

In the third person singular (he, she, it, one) the regular verbs end in -s or possibly -es.

sit becomes sits

The general rule is that if a regular verb ends with -s, -sh, -ch, -x, or -z, you add -es.

match becomes matches

mix becomes mixes

If a regular verb ends with –y, you add -ies.

worry becomes worries