| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] to [be] [vb pp] [noun sg] | 26 |
|
| 2 | [is] [prep] be [vb pp] [noun sg] | 26 |
|
| 3 | is [prep] [be] [vb pp] [noun sg] | 24 |
|
