| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who is [verb] [prep] | 871 |
|
| 2 | who is [vb pp] [prep] | 544 |
|
| 3 | [pron] is based [prep] | 459 |
|
| 4 | who [be] based [prep] | 55 |
|
| 5 | who be based [prep] | 55 |
|
| 6 | who [is] based [prep] | 31 |
|
| 7 | who is base [prep] | 31 |
|
