| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been looking [prep] | 406 |
|
| 2 | been [verb] through | 399 |
|
| 3 | been [v-ing] through | 92 |
|
| 4 | be looking through | 55 |
|
| 5 | [be] looking through | 55 |
|
| 6 | been look through | 5 |
|
| 7 | [been] looking through | 5 |
|
