| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | spend a long time [v-ing] | 35 |
|
| 2 | spend a long time [v-ing] | 35 |
|
| 3 | spent a long time [v-ing] | 26 |
|
| 4 | spent a long time [v-ing] | 5 |
|
