One little letter changes everything. Learn it, drill it, own it.
In English, verbs take a different form when the subject is he, she or it (third person singular): the verb gets an 's'.
| I | play |
| you | play |
| he | plays |
| she | plays |
| it | plays |
| we | play |
| you | play |
| they | play |
Most verbs: play → plays, read → reads, work → works
After s/sh/ch/x/o: watch → watches, go → goes, mix → mixes
Consonant + y: study → studies, try → tries. But vowel + y keeps plain s: play → plays, enjoy → enjoys
One verb breaks the pattern: he/she/it has (never "haves")
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