| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] is [v-ing] [pron] | 1750 |
|
| 2 | [noun] is [v-ing] back | 90 |
|
| 3 | [noun] [v-ing] [pron] back | 32 |
|
| 4 | is [v-ing] [pron] back | 13 |
|
