| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [verb] for [adj] periods [prep] | 20 |
|
| 2 | [be] [verb] [prep] long periods [prep] | 20 |
|
| 3 | [be] [verb] for [adj] periods [prep] | 20 |
|
| 4 | [be] [verb] for long [noun] [prep] | 17 |
|
| 5 | [be] [verb] for long [noun pl] [prep] | 16 |
|
| 6 | [be] [verb] for long period [prep] | 13 |
|
| 7 | [be] [verb] for long periods [prep] | 13 |
|
