| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] last month 's | 14 |
|
| 2 | [v-ing] last month ['s] | 14 |
|
| 3 | [v-ing] last month ['s] | 14 |
|
| 4 | following last month ['s] | 7 |
|
