| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [been] [verb] since [num] | 54 |
|
| 2 | [verb] [been] [v-ing] since [num] | 45 |
|
| 3 | have [been] [v-ing] since [num] | 45 |
|
| 4 | have [been] [v-ing] [prep] [num] | 43 |
|
| 5 | have [been] [v-ing] [prep] [num] | 43 |
|
| 6 | [vb base] [been] [v-ing] since [num] | 11 |
|
| 7 | have [been] [v-ing] since [adj] | 7 |
|
| 8 | have [been] [v-ing] since [num] | 7 |
|
| 9 | have [be] [v-ing] since [num] | 7 |
|
