tiempo presente simple

when verbs end in s,ch,or x add "es" at the end
examples
wach- waches
dash-dashes

iwhen verb ends in "o" add "es" at the end
examples
go-goes
do- does

when the verb ends, for example "y" preceded by a consonant, change ta "y" to "i" and add "es"
example
study- studies

Subtopic

interrogative sentences

pronombres personales
+verbo
+complemento
do -does

example

jDo you speak english?

Does he play tennis?

affirmative sentences

pronombres personales
+verbo
+complemento

l speak english

they walk quicky

negative sentences

personal pronouns
+auxiliary don't do
+ verb
+complement

they don't walk quicky
it doesn't walk