| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun sg] [prep] a long [noun] | 131 |
|
| 2 | [prep] [noun sg] [prep] a long [noun sg] | 129 |
|
| 3 | [prep] [noun sg] [prep] a [adj] time | 107 |
|
| 4 | [prep] [noun] [prep] a long time | 79 |
|
| 5 | [prep] [noun sg] [prep] [art] long time | 52 |
|
| 6 | [prep] [noun sg] [prep] a long time | 51 |
|
