| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] of time [det] | 49 |
|
| 2 | period of [noun] [det] | 16 |
|
| 3 | period of time [adj] | 14 |
|
| 4 | period of [noun sg] [det] | 14 |
|
| 5 | period [prep] time [det] | 9 |
|
| 6 | period [prep] time [det] | 9 |
|
| 7 | period of time [det] | 8 |
|
| 8 | period of time [det] | 8 |
|
