| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] period [prep] time | 519 |
|
| 2 | long [noun] [prep] time | 253 |
|
| 3 | long period [prep] time | 232 |
|
| 4 | long period [prep] [noun] | 226 |
|
| 5 | long [noun sg] [prep] time | 149 |
|
| 6 | long period [prep] time | 131 |
|
