Singular
I walk
you walk
he/she/it walks
Plural
we walk
you walk
they walk
We add -s after he/she/it: I sleep >>> she sleeps, I play >>> he plays
If the verb ends in -ss, -hs, -o, -ch, we add -es after he/she/it: I pass >>> she passes, I push >>> he pushes, I do >>> he does, I catch >>> she catches
If the verb ends in a consonant (b,c,etc) + y, we use -ies after he/she/it: I study >>> she studies, I fly >>> he flies
I don't eat in the morning.
She doesn't like dancing.
Singular
I do not speak
You do not speak
He/She/It does not speak
Plural
We do not speak
You do not speak
They do not speak
Singular
I don't speak
You don't speak
He/She/It doesn't speak
Plural
We don't speak
You don't speak
They don't speak
He goes to church every Sunday.
Drug stores sell medicines.
Cars don't fly.