| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] [prep] [pron] at a | 17 |
|
| 2 | [be] [verb] [prep] [pers pn] at a | 14 |
|
| 3 | [was/were] [verb] [prep] [pron] at a | 12 |
|
| 4 | [be] [vb pp] [prep] [pron] at a | 10 |
|
| 5 | was [verb] [prep] [pron] at a | 8 |
|
| 6 | [be] [verb] to [pron] at a | 6 |
|
| 7 | [be] [v-ing] [prep] [pron] at a | 6 |
|
| 8 | [be] [verb] [prep] it at a | 5 |
|
| 9 | [be] [verb] [prep] it at a | 5 |
|
| 10 | [be] [verb] [prep] they at a | 5 |
|
| 11 | [be] [verb] [prep] them at a | 5 |
|
