Unit 3 - I am doing (present continuous)

The present continuous is:

am/is/are + doing/eating/running/writing etc.

am/is/are + -ing = something is happening now.

Please, be quite, I'm working ( = I'm working now)

Spelling

come -> coming

write -> writing

dance -> dancing

run -> running

listen -> listening

sit -> sitting

swim -> swimming

lie -> lying