| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [verb] at the time | 383 |
|
| 2 | [be] [v-ing] at the time | 84 |
|
| 3 | [be] working at the [noun] | 47 |
|
| 4 | [be] working at the [noun sg] | 37 |
|
| 5 | [be] working [prep] the time | 10 |
|
| 6 | [be] work at the time | 9 |
|
| 7 | [be] working at [art] time | 9 |
|
| 8 | [be] working at the time | 9 |
|
