| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [n mass] had been | 551 |
|
| 2 | [n mass] had [been] | 551 |
|
| 3 | [n mass] had be | 551 |
|
| 4 | people had [be] | 276 |
|
| 5 | staff had [be] | 42 |
|
| 6 | aircraft had [be] | 32 |
|
| 7 | sales had [be] | 9 |
|
| 8 | data had [be] | 9 |
|
| 9 | works had [be] | 9 |
|
| 10 | sheep had [be] | 7 |
|
| 11 | fish had [be] | 6 |
|
| 12 | pair had [be] | 6 |
|
