| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [prep] [adj] periods of time | 56 |
|
| 2 | [noun] [prep] [adj] periods of time | 47 |
|
| 3 | [noun sg] [prep] [adj] periods of time | 36 |
|
| 4 | [noun] for [adj] periods of time | 33 |
|
| 5 | [noun] for [adj] periods of time | 33 |
|
| 6 | [noun] [prep] long periods of time | 26 |
|
| 7 | [noun] [prep] long periods of time | 22 |
|
| 8 | [noun pl] [prep] [adj] periods of time | 19 |
|
| 9 | [noun] over [adj] periods of time | 18 |
|
| 10 | [noun] over [adj] periods of time | 18 |
|
| 11 | [noun] [prep] short periods of time | 8 |
|
| 12 | [noun] [prep] [adj -er] periods of time | 7 |
|
| 13 | [noun] [prep] short periods of time | 6 |
|
