| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | defend itself against [adj] | 9 |
|
| 2 | defend itself [prep] [adj] | 6 |
|
| 3 | to defend itself [prep] [adj] | 6 |
|
| 4 | defend itself [prep] [det] | 5 |
|
