| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was swallowed up [prep] | 18 |
|
| 2 | [was/were] swallowed up by | 18 |
|
| 3 | were swallowed up [prep] | 11 |
|
| 4 | [was/were] swallowed up in | 9 |
|
