| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | 'd [been] [v-ing] [prep] | 338 |
|
| 2 | they 'd [been] [v-ing] | 95 |
|
| 3 | they 'd [been] [prep] | 47 |
|
| 4 | they [been] [v-ing] [prep] | 8 |
|
