| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | only be [vb pp] a | 27 |
|
| 2 | only be [verb] a | 25 |
|
| 3 | only been [verb] a | 12 |
|
| 4 | only be [v-ing] a | 9 |
|
| 5 | only be called a | 6 |
|
| 6 | only be call a | 6 |
|
