1. is going
`\text{HTTD}`
nhận bt: Look!
S + am/is/are + Ving + (O).
2. is crying
`\text{HTTD}`
nhận bt: Listen!
S + am/is/are + Ving + (O).
3. is sitting
`\text{HTTD}`
nhận bt: at present
S + am/is/are + Ving + (O).
4. are trying
`\text{HTTD}`
nhận bt: now
S + am/is/are + Ving + (O).
5. are cooking
`\text{HTTD}`
nhận bt: It's 12 o'clock
S + am/is/are + Ving + (O).
6. are talking
`\text{HTTD}`
nhận bt: Keep silent!
S + am/is/are + Ving + (O).
7. aren't staying
`\text{HTTD}`
nhận bt: at the moment
S + am not/isn't/aren't + Ving + (O).
8. is lying
`\text{HTTD}`
nhận bt: now
S + am/is/are + Ving + (O).
9. are travelling
`\text{HTTD}`
nhận bt: At present
S + am/is/are + Ving + (O).
10. isn't working
`\text{HTTD}`
nhận bt: now
S + am/is/are + Ving + (O).
