1 Most of the shops close now
2 The temperature falls at night
3 Where are you going now?
4 They aren't watching it
5 The banks don't usually close at lunchtime
6 I don't work this week
7 My children have taken care for rabbits for two weeks
8 It is getting cold now
9 Many people in Los Angeles speak Spanish
10 I have seen it many times
11 Most people don' t work on Sundays
12 She is writing a letter at the moment
Simple Present
Action is more than one time or never. Signal words: sometimes always often seldom never
Present Progressive
It is happening now. At the moment. Always add the ing form to the verb
Past Perfect
Have or has and the verb with ed at the end or the third form of irrigulare verbs
Signal words. Since and for
Action is finished . But it took some time. The point of time when the action finished is known