Mengenal present progressive tense

Present progressive tense adalah kegiatan Yang kits lakukan sekarang.
Mungkin banyak Yang menganggap Hal ini sulit. Tapi, apabila kita mempelajari Dan memperhatikan dengan seksama ini bukan lah Hal Yang sulit.

To be
She, he, it = is
I = am
You, we, they = are

(+) s+to be+adv+ing
(-) s+to be+not+adv+ing
(?) To be+ s+adv+ing

For examples

(+) Alice is reading book right now
(-) Alice doesn't reading book right now
(?) Does Alice reading book right now?

(+) she is wearing adorable skirt
(-) she doesn't wearing adorable skirt
(?) Does she wearing adorable skirt?

Terimakasih.