Jawaban:

1. (they/to run)

(+) They are running so fast.

(-) They are not running so fast.

(?) Are they running so fast?

2. (Henry/to listen)

(+) Henry is listening to music.

(-) Henry is not listening to music.

(?) Is Henry listening to music?

3. (the boys/to carry)

(+) The boys are carrying the sword.

(-) The boys are not carrying the sword.

(?) Are the boys carrying the sword?

4. (she/to hold)

(+) She is holding her bag.

(-) She is not holding her bag.

(?) Is she holding her bag?

5. (Ron and Fred/to check)

(+) Ron and Fred are checking the new schedule.

(-) Ron and Fred are not checking the new schedule.

(?)​ Are Ron and Fred checking the new schedule?

Penjelasan:

Rumus present continuous tense adalah

(+) Subject + to be + verb-ing + c

(-) Subject + to be + not + verb-ing + c

(?) To be + subject + verb-ing + c?