| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [Wh det] is sometimes [verb] | 10 |
|
| 2 | [prep] [Wh det] [is] sometimes [verb] | 10 |
|
| 3 | [prep] [Wh det] [is] sometimes [vb pp] | 10 |
|
| 4 | [prep] what [is] sometimes [verb] | 10 |
|
| 5 | [prep] [Wh det] [is] sometimes called | 7 |
|
| 6 | [prep] [Wh det] [is] sometimes call | 7 |
|
