| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | defend itself against | 22 |
|
| 2 | to defend itself [prep] | 19 |
|
| 3 | defending itself [prep] | 7 |
|
| 4 | defend itself [prep] | 5 |
|
| 5 | defend itself from | 5 |
|
