1. SIMPLE PRESENT TENSE
Mrs. Brown is an English teacher. She is at home now. She is making a cake. She is not teaching English now. But she teaches English. (We use the s...
http://mustafamstk.inube.com/blog/19053/simple-present-tense/

2. PRESENT PERFECT TENSE
(There is a connection with the present, short time ago) Mr Brown has lost his notebook. Now he is looking for it. I have lost my checkbook. Can y...
http://mustafamstk.inube.com/blog/19055/present-perfect-tense/

3. PRESENT PERFECT CONTINUOUS TENSE
(When e talk about a long action which began in the past and has recently stopped or just stopped) Mr Brown : Is it raining? Mrs Brown : No, but t...
http://mustafamstk.inube.com/blog/19059/present-perfect-continuous-tense/

4. PRESENT CONTINUOUS TENSE
(When we talk about something which is happening at the time of speaking, we use the present continuous tense.) Mrs Brown : Where is Ali? Mr Brow...
http://mustafamstk.inube.com/blog/19054/present-continuous-tense/