| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun sg] attacks [prep] | 84 |
|
| 2 | series [prep] attacks [prep] | 33 |
|
| 3 | series [prep] [noun sg] [prep] | 24 |
|
| 4 | series [prep] [noun sg] attacks | 13 |
|
