Select the present participle(s) in the sentence. I was talking on the phone when she came in.

the present continuous is a verb tense which is mainly used to indicates that an action is in progress at the moment of speaking.  

it is formed using: person + verb to be (am/is/are) +verb + - ing form  

example: i am studying at this moment .

in addition, the present continuous is also used in order to express things that will or will not happen in the near future.

example: i am having dinner with some friends tonight.

the speaker sometimes   uses it   to express that an action is repeated and it causes irritation on the part of the speaker

example: my sister is constantly complaining about everything.

the third answer is right : )

i hope this you with your work! : )

homework should not be banned because it tells the teacher if you were paying attention in class or not. it assures the teacher that you understand the material so you can move on to different material.