| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [n mass] be found to | 9 |
|
| 2 | [n mass] [be] found to | 9 |
|
| 3 | [n mass] [was/were] found to | 8 |
|
| 4 | [n mass] were found to | 6 |
|
