| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | an attack on [art] [noun pl] [noun sg] | 5 |
|
| 2 | an attack [prep] [art] [noun pl] [noun sg] | 5 |
|
| 3 | an attack [prep] [art] [noun pl] [noun sg] | 5 |
|
| 4 | an attack [prep] a [noun pl] [noun sg] | 5 |
|
| 5 | an attack [prep] [art] police [noun sg] | 5 |
|
| 6 | an attack on [art] [noun pl] [noun sg] | 5 |
|
