| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | can be trace [adv] to [adj] | 16 |
|
| 2 | can be trace [adv] to [adj] | 16 |
|
| 3 | can [be] trace [adv] to [adj] | 16 |
|
| 4 | can [be] traced [adv] to [adj] | 16 |
|
| 5 | can [be] trace [adv] to [adj] | 16 |
|
| 6 | can [be] trace back to [adj] | 15 |
|
| 7 | can [be] trace [adv prt] to [adj] | 15 |
|
| 8 | can [be] trace back to [adj] | 15 |
|
| 9 | can [be] trace [adv] to [num] | 8 |
|
