| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it had been [vb pp] | 1541 |
|
| 2 | it had been [v-ing] | 125 |
|
| 3 | it had been make | 52 |
|
| 4 | it had been made | 50 |
|
| 5 | it had been decided | 30 |
|
| 6 | it had been decide | 30 |
|
| 7 | it had been build | 29 |
|
| 8 | it had been built | 29 |
|
| 9 | it had been take | 27 |
|
| 10 | it had been agreed | 27 |
|
| 11 | it had been agree | 27 |
|
| 12 | it had been taken | 26 |
|
| 13 | it had been give | 25 |
|
| 14 | it had been given | 25 |
|
| 15 | it had been suggest | 23 |
|
| 16 | it had been suggested | 23 |
|
| 17 | it had been use | 22 |
|
| 18 | it had been used | 22 |
|
| 19 | it had been do | 21 |
|
| 20 | it had been announced | 19 |
|
| 21 | it had been leave | 19 |
|
| 22 | it had been left | 19 |
|
| 23 | it had been announce | 19 |
|
| 24 | it had been report | 19 |
|
| 25 | it had been reported | 19 |
|
| 26 | it had been done | 18 |
|
| 27 | it had been [to-vb] | 17 |
|
| 28 | it had been written | 16 |
|
| 29 | it had been write | 16 |
|
| 30 | it had been hope | 15 |
|
