| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | over a long period [conj] | 16 |
|
| 2 | over a long [noun sg] [coord] | 14 |
|
| 3 | over a long [noun sg] and | 12 |
|
| 4 | over a long [noun sg] and | 12 |
|
| 5 | over a long [noun sg] [conj] | 12 |
|
| 6 | over a longer [noun sg] [conj] | 7 |
|
| 7 | over a long [noun sg] than | 5 |
|
| 8 | over a long [noun sg] [subord] | 5 |
|
| 9 | over a long [noun sg] than | 5 |
|
