| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [prep] be [v-ing] [prep] a | 54 |
|
| 2 | [vb past] [prep] be [v-ing] [prep] a | 54 |
|
| 3 | [verb] [prep] be [v-ing] for a | 33 |
|
| 4 | [vb past] [prep] be [verb] for a | 24 |
|
| 5 | [vb past] [prep] be [v-ing] for [art] | 18 |
|
| 6 | [vb past] [prep] be [v-ing] for [art] | 18 |
|
| 7 | [vb past] [prep] be [v-ing] for a | 12 |
|
| 8 | [vb past] [prep] [be] [v-ing] for a | 10 |
|
| 9 | [vb past] [prep] be [v-ing] for a | 10 |
|
