| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | for a [adj] period of time | 107 |
|
| 2 | [prep] a long period of time | 98 |
|
| 3 | [prep] a long period of time | 98 |
|
| 4 | for a long period of [noun sg] | 20 |
|
| 5 | for a long period of [noun] | 20 |
|
| 6 | for [art] long period of time | 19 |
|
| 7 | for [art] long period of time | 19 |
|
| 8 | for a long [noun sg] of time | 18 |
|
| 9 | for a long [noun] of time | 18 |
|
| 10 | for a long period of time | 17 |
|
| 11 | for a long period of time | 17 |
|
| 12 | for a long period of time | 17 |
|
| 13 | for a long period [prep] time | 17 |
|
| 14 | for a long period of time | 17 |
|
| 15 | for a long period of time | 17 |
|
| 16 | for a long period [prep] time | 17 |
|
