| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [adv] [verb] [prep] | 25160 |
|
| 2 | [adv] [verb] back [prep] | 1972 |
|
| 3 | [was/were] [verb] back [prep] | 901 |
|
| 4 | [was/were] [adv] [verb] back | 179 |
|
| 5 | [was/were] [adv] back [prep] | 80 |
|
