... Ashot sing this song this week?(interrogative)
CAN Ashot sing this song this week?
I know that she ... ... tell us the story about a little dog.(negative)
I know that she CAN NOT tell us the story about a little dog.
My dog ... bark when he sees a stranger.(Affirmative)
My dog CAN bark when he sees a stranger.
... you bring me some tea. I like tea very much and drink it every day.
CAN you bring me some tea. I like tea very much and drink it every day.
I ... speak English very well.(positive)
I CAN speak English very well.
Anna ... dace ballet and she loves it.(negative)
Anna CAN NOT dace ballet and she loves it.