3.
a. are you doing b. riding c. takes d. Is he wearing e. isn't f. wears g. is riding h. is happening i. are you doing j. play k. has l. aren't you wearing m. do you know n. are you spying
4.
at the moment - present continuous
never - present simple
normally - present simple
now - present continuous
on Fridays - present simple
right now - present continuous
this Friday - present simple
usually - present simple
5.
1. am looking after
2. are you shouting
3. works
4. don't understand
5. do you need
6. is lying
6.
2. What is your Mum doing at the moment?
3. Where do your uncle and aunt live?
4. Is your cousin studying at university?
5. What do your grandparents do in the mornings?
6. What do your family and you usually do at the weekend?