| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [vb pp] [prep] be [verb] | 890 |
|
| 2 | is [vb pp] [prep] [conj] [verb] | 60 |
|
| 3 | is [vb pp] [conj] be [verb] | 55 |
|
| 4 | [vb pp] [prep] [conj] be [verb] | 32 |
|
| 5 | is [vb pp] [prep] [conj] be | 21 |
|
