| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [vb pp] have be [verb] [prep] | 121 |
|
| 2 | is [verb] have be [verb] [prep] | 121 |
|
| 3 | be known have be [verb] [prep] | 26 |
|
| 4 | [be] known have be [verb] [prep] | 26 |
|
| 5 | [is] known have be [verb] [prep] | 12 |
|
| 6 | is known have [be] [verb] [prep] | 12 |
|
| 7 | is know have be [verb] [prep] | 12 |
|
| 8 | is known [verb] be [verb] [prep] | 12 |
|
