Answers:
In Spanish the present progressive form is similar to English, it is used to refer about an action that is currently happening (happening at this very moment).
This is written with the verb estar (to be) plus the verb in present participle, also called gerund.
If we want to write a complete sentence, we have to be careful because the verb estar must be correctly conjugated with each subject pronoun, as follows:
1st person singular: Yo estoy
2nd person singular: Tú estás
3rd person singular: Él/Ella/eso/esa está
1st person plural: Nosotros estamos
2nd person plural: Ustedes(In latinAmerica)/Vosotros(In Spain) están
3rd person plural: Ellos/Ellas están
Nevertheless, it is important to note that in Spanish grammar is not always necessary that the subject is explicitly in the sentence, it is called Tacit Subject, Implicit Subject or Null Subject.
This is because the subject is encoded in the verb conjugation, therefore it is not necessary the subject pronoun to recognize the correct present progressive form.
According to this, the sentences are written as:
1) Ustedes estamos durmiendo
Ustedes están durmiendo
2) Yo estoy comiendo
3) Él/Ella está cantando
4) Ellos/Ellas or Ustedes están hablando
5) yo estamos escribiendo
Yo estoy escribiendo
6) Yo estoy siguiendo
7) Ellos/Ellas or Ustedes están pensando
8) Tú estás mirando
9) nosotros estamos saliendo
10) Él/Ella está descansando
11) Ellos/Ellas or Ustedes están haciendo
12) Tú estás escuchando
13) tú estoy nadando
Tú estás nadando
14) Él/Ella está abriendo
15) Ellos/Ellas or Ustedes están pidiendo
16) Tú estás jugando
17) él estamos compartiendo
Él está compartiendo
18) Él/Ella está leyendo
19) Ellos/Ellas or Ustedes están bailando
20) Tú estás caminando