| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [modal v] be [vb pp] | 7930 |
|
| 2 | [modal v] be [vb pp] [adv prt] | 6355 |
|
| 3 | [Wh det] [modal v] be [adv prt] | 46 |
|
