| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [be] [v-ing] [adv] [prep] [art] | 691 |
|
| 2 | [noun sg] [be] [verb] back [prep] [art] | 154 |
|
| 3 | [noun] [be] [v-ing] back [prep] [art] | 60 |
|
| 4 | [noun sg] [be] [v-ing] back [prep] [art] | 24 |
|
