SIMPLE PRESENT TENSE
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1. NEGATIVE
1.1. Estructure: subject + auxiliary verb + not + verb + complement.
1.2. Example: I do not / don´t play tennis
1.3. Example: I does not / doesn´t play tennis.
2. AUXILIARY (DO-DOES)
2.1. DO - ( I - YOU - WE - THEY )
2.2. DOES ( SHE - HE - IT )
3. INTERROGATIVE
3.1. Estructure: auxiliary verb + subject + verb + complement +?
3.2. Example: Do you wash the car?
3.3. Example: Does he wash the car?
4. USED
4.1. To express habits, general truths, repeated actions, situations, emotions and wishes.
5. AFFIRMATIVE
5.1. Estructure: subject + verb + complement.
5.2. example: I play tennis.
5.3. example 3rd person: she plays tennis.
6. 3RD PERSON
6.1. If the verb ends in -y preceded by a consonant, the -y is replaced by -ies.
6.1.1. Example: TO CRY = SHE CRIES
6.2. If the ending -y is preceded by a vowel, as we have seen before as the verb "to play", only one -s will be added to it.
6.2.1. Example: TO PLAY = HE PLAYS
6.3. If the verb ends in -ch, -sh, -ss, -x or -o, -es is added.
6.3.1. Example: SHE CATCHES, HE WASHES, SHE PASSES, HE FIXES, SHE GOES.