| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] be [n mass] | 16 |
|
| 2 | to have [be] [n mass] | 9 |
|
| 3 | [to-vb] been [n mass] | 9 |
|
| 4 | [to-vb] [been] [n mass] | 9 |
|
| 5 | [to-vb] [is] [n mass] | 5 |
|
| 6 | [to-vb] is [n mass] | 5 |
|
