| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [prep] a long time | 207 |
|
| 2 | [v-ing] [prep] a long time | 47 |
|
| 3 | [v-ing] [adv] [prep] a long | 40 |
|
| 4 | [v-ing] [adv] [prep] a time | 13 |
|
