Present Simple: -s third person singular (he, she, it) in affirmative sentences

In Present Simple affirmative form, we add an -s to the verb in the 3rd person singular (he, she, it).

There are spelling rules for that -s we add to the verb:

1. General rule: Add -s to the verb

to walk: she walks      to stop: it stops

2. Verbs ending in -s, -x, -sh, -ch, -o:  add -es to the verb

to kiss:  he kisses    to mix: she mixes   to push: he pushes

to watch: he watches       to go: it goes

3. Verbs ending in consonant +y: drop -y and add -ies

to study:    she studies 

(but verbs ending in vowel +y: general rule.  to play:it plays)

4. Irregular:    to have: it has

Online games to practise: