| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a long [noun] of [adj] | 129 |
|
| 2 | [prep] a long [noun sg] of [adj] | 122 |
|
| 3 | [prep] a [adj] period of [adj] | 57 |
|
| 4 | [prep] [art] long period of [adj] | 21 |
|
| 5 | [prep] [art] long period of [adj] | 21 |
|
| 6 | [prep] a long period [prep] [adj] | 18 |
|
| 7 | [prep] a long period [prep] [adj] | 18 |
|
| 8 | [prep] a long period of [adj] | 17 |
|
| 9 | [prep] a long period of [adj] | 16 |
|
| 10 | [prep] a long period of [adj] | 16 |
|
| 11 | [prep] a long period of [adj] | 16 |
|
