Mandatos formales
1.Formation of Regular Informal Affirmative Commands
Unlike Ud./Uds. commands and the negative tú commands, most
affirmative tú commands have the same form as the third person singular (Ud.) form of
the present indicative.* Stem changes occur, but there are no changes for verbs ending
in -car/-gar/-zar.
2. Irregular Informal Affirmative Commands
Some verbs have irregular affirmative tú command forms.
Summary of Informal Commands
-ar → -es
-er/-ir → -as
-ar → -a
-er/-ir → -e
command + pronoun (1 word)
no + pronoun + command (3words)
Mandatos informales
1.Regular Verbs
Most formal command forms can be derived from the yo form of the present tense.
Note that the “opposite” vowel is used:
-ar → e
-er/-ir → a
2.Stem-changing Verbs
Formal commands for stem-changing verbs will show the stem change, since the stem
vowel is stressed. Base the command on the yo form to get the stem change right.
3. Verbs Ending in -car, -gar, -zar
Summary of Formal Commands
Affirmative: command +pronoun (1 word)
Negative: no + pronoun+ command (3 words)
-ar → -e(n)
-er/-ir → -a(n)

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