| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [vb pp] [prep] [art] | 30039 |
|
| 2 | [n mass] [vb pp] [prep] [art] | 1552 |
|
| 3 | [n mass] is [vb pp] [prep] | 487 |
|
| 4 | [n mass] is [prep] [art] | 58 |
|
| 5 | [n mass] is [vb pp] [art] | 15 |
|
