As I learned

 Simple Past

Use the Simple Past to express the idea that an action started and finished at a specific time in the past. Sometimes, the speaker may not actually mention the specific time, but they do have one specific time in mind.

Examples:

• I saw a movie yesterday.
• I didn't see a play yesterday.
• Last year, I traveled to Japan.

          

        Past Progressive

Use past progresive for actions that werw happening in a specific in the past 

• puts emphasis on the course of an action in the past
  Example: He was playing football.
• two actions happening at the same time (in the past)
  Example: While she was preparing dinner, he was washing the dishes.
• action going on at a certain time in the past
  Example: When I was having breakfast, the phone suddenly rang.
  
  

     

  Present Progressive  

  The actions that are happening in the moment.

  The present progressive is formed by combining the verb "to be" with the present participle. (The present participle is merely the "-ing" form of a verb.)

  • I am studying.
  • I am studying with María.

  
  

  Comparatives - As...As

  The structure "as...as" is used to compare things that are equal. Jennifer is 163cm and Tony is 163cm. Jennifer is as tall as Tony.  "as...as" can also be used in negatives and questions.  The Amazon isn't as long as the Nile. The second movie wasn't as good as the first. Is Japan as expensive as England?   Superlatives  Tom is old. He is 70. But Paul is 83. He is older than Tom...and Joe is 120. He is the oldest The trumpet is noisy...A single drum is noisier...But a set of drums is the noisiest musical instrument A pocket camera is expensive... A reflex camera is more expensive than a pocket camera....But a digital camera is the most expensive of the three Tom is a good student. He marks are always seven or eight. Sue is better than Tom: she gets always eight or nine....But Lisa is the best in the class...She always gets ten        "Whose" is a Possessive Pronoun "Whose" is a possessive pronoun like "his," "her" and "our." We use "whose" to find out which person something belongs to. Examples: Whose camera is this? Whose dog is barking outside? Whose cell phone keeps ringing?