| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] which can be trace | 8 |
|
| 2 | which can be trace [adv] | 12 |
|
| 3 | which can be trace back | 8 |
|
| 4 | which can be trace [adv prt] | 8 |
|
| 5 | which can be trace back | 8 |
|
| 6 | which can be trace [prep] | 5 |
|
| 7 | which can be trace [prep] | 5 |
|
