| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be only [art] | 163 |
|
| 2 | be only a | 132 |
|
| 3 | be only a | 123 |
|
| 4 | be only the | 31 |
|
| 5 | be only the | 31 |
|
| 6 | be only an | 9 |
|
