| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [adj] for long periods | 13 |
|
| 2 | [conj] [adj] for long periods | 5 |
|
| 3 | [be] [adj] for long periods | 5 |
|
| 4 | remain [adj] for long periods | 5 |
|
| 5 | be [adj] for long periods | 5 |
|
| 6 | [adj] [noun] for long periods | 13 |
|
| 7 | [adj] [noun sg] for long periods | 8 |
|
| 8 | [adj] [noun pl] for long periods | 5 |
|
| 9 | [adj] [to-vb] for long periods | 5 |
|
| 10 | [adj] [verb] for long periods | 5 |
|
| 11 | [adj] for long periods [prep] | 8 |
|
| 12 | [adj] for long periods [prep] | 8 |
|
| 13 | [adj] for long periods of | 7 |
|
| 14 | [adj] for long periods of | 7 |
|
