| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | were [v-ing] [adv] [prep] a | 114 |
|
| 2 | were [v-ing] [adv prt] [prep] a | 61 |
|
| 3 | [be] [v-ing] in [prep] a | 41 |
|
| 4 | be [v-ing] in [prep] a | 41 |
|
| 5 | were [verb] in [prep] a | 29 |
|
| 6 | were [v-ing] in [prep] [art] | 25 |
|
| 7 | [was/were] [v-ing] in [prep] a | 16 |
|
| 8 | were [v-ing] in [prep] a | 8 |
|
| 9 | were [v-ing] in [prep] a | 8 |
|
