| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a long [noun sg] | 3853 |
|
| 2 | [prep] a retention [noun sg] | 8 |
|
| 3 | a long retention [noun sg] | 6 |
|
| 4 | [prep] a long retention | 6 |
|
