| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [vb -s] [vb pp] a number [prep] | 5 |
|
| 2 | who [vb -s] [vb pp] a number of | 5 |
|
| 3 | who [vb -s] [vb pp] a number of | 5 |
|
| 4 | who [vb -s] [vb pp] a number [prep] | 5 |
|
