`#Ju ly `

`45. ` Is your mother travelling.

- Thì HTTD `-> ` Signals`: ` now.

`46. ` Is Mr Hung doing... is listening.

- Thì HTTD `-> ` Signals`: ` now.

`47. ` Is she travelling.

- Thì HTTD `-> ` Signals`: ` now.

`48. ` is reading.

- Thì HTTD `-> ` Signals`: ` at the moment.

`49. ` am watching.

- Thì HTTD `-> ` Signals`: ` at the moment.

`50 ` Are you listening.

- Thì HTTD `-> ` Signals`: ` now.

`51. ` is talking.

- Thì HTTD `-> ` Signals`: ` now.

`52. ` Are you working.

- Thì HTTD `-> ` Signals`: ` now.

`53. ` are working.

- Thì HTTD `-> ` Signals`: ` at the moment.

`54. ` is teaching.

- Thì HTTD `-> ` Signals`: ` Listen!

`55. ` am studying.

- Thì HTTD `-> ` Signals`: ` at present.

`56. ` is helping.

- Thì HTTD `-> ` Signals`: ` now.

`------ `

- Present continuous(HTTD)`: `

`(+) ` S`+ `tobe`+ `V`- `ing`+ `O.

`(-) ` S`+ `tobe`+ `not`+ `V`- `ing`+ `O.

`(?) ` Tobe`+ `S`+ `V`- `ing`+ `O?

- Note`: ` Tobe(am, is, are)`: `

I`+ `am - S(He, she, it)`+ `is - S(You, we, they)`+ `are.

- Signals`: ` at present, now, right now, at the moment, listen!, be quite!, keep silent!..