| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [adv] [prep] | 531 |
|
| 2 | had been [adv prt] [prep] | 219 |
|
| 3 | [verb] been back [prep] | 69 |
|
| 4 | have been back [prep] | 69 |
|
| 5 | [vb past] been back [prep] | 20 |
|
| 6 | had [been] back [prep] | 15 |
|
| 7 | had be back [prep] | 15 |
|
| 8 | had been back [prep] | 15 |
|
| 9 | had [be] back [prep] | 15 |
|
