| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] [be] [verb] [prep] a | 2228 |
|
| 2 | [be] [verb] [prep] be a | 1866 |
|
| 3 | [noun prp] [be] [verb] [prep] be | 824 |
|
| 4 | [noun prp] [verb] [prep] be a | 109 |
|
| 5 | [noun prp] [be] [prep] be a | 21 |
|
