| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [vb pp] [prep] [be] [adj] | 751 |
|
| 2 | [conj] is [vb pp] [prep] [adj] | 327 |
|
| 3 | [conj] is [vb pp] [prep] [be] | 190 |
|
| 4 | [conj] [vb pp] [prep] [be] [adj] | 47 |
|
