| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] to be [vb pp] a | 167 |
|
| 2 | [v-ing] to be [verb] a | 45 |
|
| 3 | [v-ing] to be [vb pp] [art] | 40 |
|
| 4 | [v-ing] [prep] be [vb pp] a | 33 |
|
| 5 | [v-ing] to [be] [vb pp] a | 27 |
|
