| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is to be [vb pp] a [noun sg] | 19 |
|
| 2 | is to [be] [vb pp] a [noun sg] | 19 |
|
| 3 | is to [be] [vb pp] a [noun sg] | 19 |
|
| 4 | is to be [vb pp] a [noun sg] | 19 |
|
