| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb -s] been [v-ing] for | 33 |
|
| 2 | it 's [been] [v-ing] for | 20 |
|
| 3 | it has [been] [v-ing] for | 13 |
|
| 4 | it [vb -s] [been] going for | 6 |
|
