| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] period [prep] [adj] years | 262 |
|
| 2 | [art] period [prep] [adj] years | 262 |
|
| 3 | a period [prep] [adj] years | 244 |
|
| 4 | a period [prep] [adj] years | 244 |
|
| 5 | [adj] period [prep] [adj] years | 66 |
|
| 6 | [adj] period [prep] [adj] years | 54 |
|
| 7 | [noun] period [prep] [adj] years | 21 |
|
| 8 | [noun sg] period [prep] [adj] years | 21 |
|
| 9 | the period [prep] [adj] years | 18 |
|
| 10 | the period [prep] [adj] years | 18 |
|
| 11 | initial period [prep] [adj] years | 12 |
|
| 12 | initial period [prep] [adj] years | 12 |
|
| 13 | [adj -er] period [prep] [adj] years | 5 |
|
| 14 | far period [prep] [adj] years | 5 |
|
| 15 | maximum period [prep] [adj] years | 5 |
|
| 16 | maximum period [prep] [adj] years | 5 |
|
| 17 | further period [prep] [adj] years | 5 |
|
| 18 | period [prep] [adv] [adj] years | 32 |
|
| 19 | period [prep] [adv] [adj] years | 32 |
|
| 20 | period [prep] [adj] [adj] years | 17 |
|
| 21 | period [prep] about [adj] years | 15 |
|
| 22 | period [prep] about [adj] years | 15 |
|
| 23 | period [prep] [art] [adj] years | 13 |
|
| 24 | period [prep] [art] [adj] years | 13 |
|
| 25 | period [prep] [num] [adj] years | 13 |
|
| 26 | period [prep] a [adj] years | 8 |
|
| 27 | period [prep] a [adj] years | 8 |
|
| 28 | period [prep] nearly [adj] years | 5 |
|
| 29 | period [prep] the [adj] years | 5 |
|
| 30 | period [prep] the [adj] years | 5 |
|
