| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [prep] a [noun sg] | 17611 |
|
| 2 | [was/were] [prep] a [noun sg] | 3252 |
|
| 3 | [was/were] [v-ing] [prep] a | 2920 |
|
| 4 | [was/were] [v-ing] a [noun sg] | 2850 |
|
| 5 | [was/were] [v-ing] [prep] [noun sg] | 2263 |
|
