| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] over a period [prep] [art] | 20 |
|
| 2 | [noun sg] over a period [prep] [art] | 11 |
|
| 3 | [noun pl] over a period [prep] [art] | 8 |
|
| 4 | over a [adj] period [prep] [art] | 16 |
|
| 5 | over a [adj] period [prep] [art] | 14 |
|
| 6 | over a long period [prep] [art] | 6 |
|
| 7 | over a period [prep] [noun] [art] | 10 |
|
| 8 | over a period [prep] [noun sg] [art] | 8 |
|
| 9 | over a period [prep] time [art] | 7 |
|
| 10 | over a period [prep] time [art] | 7 |
|
| 11 | over a period [prep] [art] [noun sg] | 16 |
|
| 12 | over a period [prep] [art] [noun] | 16 |
|
| 13 | over a period [prep] [art] [adj] | 13 |
|
| 14 | over a period [prep] [art] few | 11 |
|
| 15 | over a period [prep] [art] [det] | 11 |
|
| 16 | over a period [prep] [art] few | 11 |
|
| 17 | over a period [prep] [art] year | 5 |
|
| 18 | over a period [prep] [art] year | 5 |
|
