| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [v-ing] [adv] [adv] | 1870 |
|
| 2 | [v-ing] [adv] [adv] [subord] | 965 |
|
| 3 | [was/were] [adv] [adv] [subord] | 592 |
|
| 4 | [was/were] [v-ing] [adv] [subord] | 322 |
|
