| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [vb pp] [prep] [be] [adj] | 751 |
|
| 2 | [noun prp] is [vb pp] [prep] [be] | 251 |
|
| 3 | [noun prp] is [vb pp] [prep] [adj] | 175 |
|
