| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [vb pp] [prep] a number | 177 |
|
| 2 | been [vb pp] in a number | 53 |
|
| 3 | been [vb pp] by a number | 52 |
|
| 4 | been [vb pp] on a number | 19 |
|
| 5 | been [vb pp] for a number | 13 |
|
| 6 | been used [prep] a number | 11 |
|
| 7 | been [vb pp] at a number | 8 |
|
| 8 | been [vb pp] with a number | 6 |
|
| 9 | been [vb pp] to a number | 6 |
|
| 10 | been [vb pp] through a number | 5 |
|
| 11 | been studied [prep] a number | 5 |
|
