Grammatical Topics.

Present Simple

Functions:

1. For permanent situations, routines, habitual actions and general truths.

Grammatical Structure.

( + ) I, you, we, they + verb. Infinitive + complement.

( + ) She, it, he + verb. Infinitive + s + complement.

( - ) I, you, we, they + don’t + verb. Infinitive + complement.

( - ) She, it, he + doesn’t + verb. Infinitive + complement.

( ? ) Do + I, you, we, they + verb. Infinitive + complement + ?

( ? ) Does + She, it, he + verb. Infinitive + complement + ?

Present Progressive

Functions:

1. For actions happening now, temporary situations and future arrangements.

Grammatical Structure.

( + ) I + am / he, she, it + is / you, we, they + are + verb gerund + complement.

( - ) I + am not / he, she, it + isn’t / you, we, they + aren’t + verb gerund + complement.

( ? ) Am+ I / Is + he, she, it / Are + you, we, they + verb gerund + complement + ?

Past Simple

Functions:

1. For the shorter action, In this case we usually use while, when or as.2. In the same sentence when one action interrupted another in the past.

Grammatical Structure.

( + ) I, you, he, she, it, we, they + verb past + complement.

( - ) I, you, he, she, it, we, they + didn’t + verb infinitive + complement.

( ? ) Did + I, you, he, she, it, we, they + verb infinitive + complement + ?