| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have be [v-ing] since | 145 |
|
| 2 | have be [v-ing] [num] | 102 |
|
| 3 | be [v-ing] since [num] | 48 |
|
| 4 | have be since [num] | 14 |
|
