| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it 's be [v-ing] [prep] [adj] | 12 |
|
| 2 | it 's been [v-ing] [prep] [adj] | 12 |
|
| 3 | it 's be [v-ing] for [adj] | 7 |
|
| 4 | it 's be [v-ing] [prep] [num] | 7 |
|
