| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [been] [v-ing] [prep] the | 501 |
|
| 2 | had [been] [v-ing] [prep] the | 501 |
|
| 3 | had [been] [verb] for the | 221 |
|
| 4 | have [been] [v-ing] for the | 172 |
|
| 5 | [verb] [been] [v-ing] for the | 172 |
|
| 6 | had [been] [v-ing] for [art] | 124 |
|
| 7 | had [been] [v-ing] for [art] | 124 |
|
| 8 | [vb past] [been] [v-ing] for the | 60 |
|
| 9 | had [been] [v-ing] for the | 52 |
|
| 10 | had [been] [v-ing] for the | 52 |
|
| 11 | had [be] [v-ing] for the | 52 |
|
