| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [noun pl] [verb] [prep] a period | 15 |
|
| 2 | [adj] [noun pl] [verb] [prep] a period | 9 |
|
| 3 | [noun pl] be [verb] [prep] a period | 13 |
|
| 4 | [noun pl] [be] [verb] [prep] a period | 13 |
|
| 5 | [noun pl] [was/were] [verb] [prep] a period | 7 |
|
| 6 | [noun pl] were [verb] [prep] a period | 6 |
|
| 7 | [noun pl] are [verb] [prep] a period | 5 |
|
| 8 | [noun pl] [am/are] [verb] [prep] a period | 5 |
|
| 9 | [noun pl] [verb] [prep] a [adj] period | 18 |
|
| 10 | [noun pl] [verb] [prep] a [adj] period | 18 |
|
| 11 | [noun pl] [verb] [prep] a long period | 6 |
|
| 12 | [noun pl] [verb] [prep] a long period | 6 |
|
| 13 | [noun pl] [verb] [prep] a period [prep] | 22 |
|
| 14 | [noun pl] [verb] [prep] a period [prep] | 22 |
|
| 15 | [noun pl] [verb] [prep] a period of | 20 |
|
| 16 | [noun pl] [verb] [prep] a period of | 20 |
|
