| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] and a period | 12 |
|
| 2 | [noun sg] and a period | 9 |
|
| 3 | [adj] and a period | 9 |
|
| 4 | [num] and a period | 8 |
|
| 5 | and [prep] a period | 38 |
|
| 6 | and [prep] a period | 38 |
|
| 7 | and [verb] a period | 18 |
|
| 8 | and over a period | 14 |
|
| 9 | and over a period | 14 |
|
| 10 | and for a period | 13 |
|
| 11 | and for a period | 13 |
|
| 12 | and after a period | 7 |
|
| 13 | and after a period | 7 |
|
| 14 | and [vb past] a period | 6 |
|
| 15 | and [v-ing] a period | 5 |
|
| 16 | and a [adj] period | 20 |
|
| 17 | and a [adj] period | 16 |
|
| 18 | and a period [prep] | 34 |
|
| 19 | and a period [prep] | 34 |
|
| 20 | and a period of | 32 |
|
| 21 | and a period of | 32 |
|
