Present Perfect Progressive and Present Progressive

I ( ) English since 10 o'clock in the morning.

• am studying

• have been studying

I ( ) English now.

• am studying

• have been studying

Mei ( ) her dog now.

• is walking

• has been walking

Mei ( ) her dog for about an hour.

• is walking

• has been walking

The boys ( ) baseball now.

• are playing

• have been playing

The boys ( ) baseball since one in the afternoon.

• are playing

• have been playing

Souta and Shouta ( ) ramen for an hour.

• are eating

• have been eating

Souta and Shouta ( ) ramen now.

• are eating

• have been eating

Ayane ( ) on the bench now.

• is sitting

• has been sitting

Ayane ( ) on the bench for almost two hours.

• is sitting

• has been sitting