| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [been] [v-ing] [prep] [adj] | 304 |
|
| 2 | [noun sg] had [been] [v-ing] [prep] | 257 |
|
| 3 | [noun sg] had [been] [prep] [adj] | 88 |
|
| 4 | [noun sg] had [been] [v-ing] [adj] | 54 |
|
