| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [v-ing] [adv] | 16046 |
|
| 2 | [v-ing] [adv] for | 3350 |
|
| 3 | [was/were] [v-ing] for | 2885 |
|
| 4 | [was/were] [adv] for | 1279 |
|
