| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [adv] [be] to | 107 |
|
| 2 | [adv] [be] referred to | 104 |
|
| 3 | [vb base] [adv] referred to | 48 |
|
| 4 | [vb base] [be] referred to | 20 |
|
| 5 | [vb base] [adv] [be] referred | 11 |
|
