| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [Wh det] [modal v] be traced | 9 |
|
| 2 | [noun sg] [Wh det] [modal v] be traced | 5 |
|
| 3 | [Wh det] [modal v] [adv] be traced | 7 |
|
| 4 | [Wh det] [modal v] be traced [adv] | 14 |
|
| 5 | [Wh det] [modal v] be traced [adv prt] | 8 |
|
| 6 | [Wh det] [modal v] be traced back | 8 |
|
| 7 | [Wh det] [modal v] be traced back | 8 |
|
| 8 | [Wh det] [modal v] be traced [prep] | 7 |
|
| 9 | [Wh det] [modal v] be traced [prep] | 7 |
|
| 10 | [Wh det] [modal v] be traced [adv] | 6 |
|
