| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [been] [v-ing] [adv prt] for | 62 |
|
| 2 | has [been] [v-ing] for [num] | 62 |
|
| 3 | [been] [v-ing] [adv prt] for [num] | 21 |
|
| 4 | has [been] [adv prt] for [num] | 6 |
|
