At the weekend I like watching

In my leisure time I like swimming, reading, and watching.

If you are contrasting doing an activity with simply watching then you don’t need to mention the activity:

Examiner: Do you do any sport?
Candidate: I like to watch.
(= I prefer watching than playing!)

Meanwhile if someone is showing you how to do something, you don’t need to mention the thing that they’re showing you:

Instructor: OK, now watch carefully!
Student: I’m watching.

However, if the thing you’re watching is something specific, then you need to mention that thing:

  • In my leisure time I love to swim and watch movies.
  • I don’t watch much TV now that we have YouTube.

This is especially important if the thing you are watching is TV or a movie, because watch collocates very strongly with these nouns.

Indonesian flag Indonesians translating ‘nonton‘ need to remember that if you don’t tell your listener what it is that you’re watching, then as far as your listener is concerned, you could by watching almost anything, like watching paint dry or watching grass grow!