| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [adv] [adj] period [prep] | 137 |
|
| 2 | a [adv] [adj] period [prep] | 137 |
|
| 3 | a [adv] [adj] period [prep] | 124 |
|
| 4 | a [adv] [adj] period [prep] | 121 |
|
| 5 | a [adv] [adj] period of | 94 |
|
| 6 | a [adv] [adj] period of | 94 |
|
| 7 | a [adv] short period [prep] | 52 |
|
| 8 | a very [adj] period [prep] | 50 |
|
| 9 | a very [adj] period [prep] | 50 |
|
| 10 | a [adv] short period [prep] | 48 |
|
| 11 | a relatively [adj] period [prep] | 29 |
|
| 12 | a relatively [adj] period [prep] | 29 |
|
| 13 | a [adv] long period [prep] | 20 |
|
| 14 | a [adv] [adj] period in | 17 |
|
| 15 | a [adv] [adj] period in | 17 |
|
| 16 | an [adv] [adj] period [prep] | 16 |
|
| 17 | a [adv] long period [prep] | 15 |
|
| 18 | a [adv] [adj] period for | 11 |
|
| 19 | a [adv] [adj] period for | 11 |
|
| 20 | a [adv] [adj -er] period [prep] | 10 |
|
| 21 | a much [adj] period [prep] | 7 |
|
| 22 | a [adv] brief period [prep] | 7 |
|
| 23 | a much [adj] period [prep] | 7 |
|
| 24 | a [adv] brief period [prep] | 7 |
|
| 25 | a fairly [adj] period [prep] | 5 |
|
| 26 | a particularly [adj] period [prep] | 5 |
|
| 27 | a particularly [adj] period [prep] | 5 |
|
| 28 | a [adv] lengthy period [prep] | 5 |
|
| 29 | a fairly [adj] period [prep] | 5 |
|
| 30 | a [adv] longer period [prep] | 5 |
|
