| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] [adv] [adj -er] period | 44 |
|
| 2 | [art] [adv] [adj -er] period | 44 |
|
| 3 | a [adv] [adj -er] period | 43 |
|
| 4 | a [adv] [adj -er] period | 40 |
|
| 5 | [adv] [adj -er] period [prep] | 11 |
|
| 6 | [adv] [adj -er] period [prep] | 11 |
|
| 7 | [adv] [adj -er] period of | 10 |
|
| 8 | [adv] [adj -er] period of | 10 |
|
| 9 | [adv] [adj -er] period [conj] | 7 |
|
| 10 | [adv] [adj -er] period than | 5 |
|
| 11 | [adv] [adj -er] period [subord] | 5 |
|
| 12 | [adv] [adj -er] period than | 5 |
|
