| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] the absence of | 1988 |
|
| 2 | [conj] the absence of | 237 |
|
| 3 | [conj] [prep] the absence | 208 |
|
| 4 | [conj] [prep] the of | 6 |
|
