| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [vb pp] [verb] [pron] | 800 |
|
| 2 | that is [verb] [pron] | 142 |
|
| 3 | that is [vb pp] [verb] | 72 |
|
| 4 | that is [vb pp] [pron] | 15 |
|
