| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [v-ing] [prep] [num] | 93 |
|
| 2 | has [been] [v-ing] for [num] | 62 |
|
| 3 | has [been] [v-ing] since [num] | 20 |
|
| 4 | has [been] running [prep] [num] | 19 |
|
| 5 | has [been] [v-ing] [prep] two | 12 |
|
| 6 | has [been] [v-ing] [prep] three | 10 |
|
| 7 | has [been] working [prep] [num] | 7 |
|
| 8 | has [been] operating [prep] [num] | 7 |
|
| 9 | has [been] trying [prep] [num] | 5 |
|
