| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [vb pp] themselves by | 8 |
|
| 2 | [verb] [vb pp] themselves by | 8 |
|
| 3 | [vb pp] themselves by [verb] | 6 |
|
| 4 | [vb pp] themselves by [v-ing] | 6 |
|
