| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [adv] [v-ing] | 17668 |
|
| 2 | [adv] [v-ing] to | 5408 |
|
| 3 | [was/were] [v-ing] to | 4550 |
|
| 4 | [was/were] [adv] to | 2518 |
|
