| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] [adv prt] since [num] | 13 |
|
| 2 | have been [vb pp] [adv prt] since [adj] | 11 |
|
| 3 | have been [v-ing] [adv prt] since [adj] | 8 |
|
| 4 | has been [verb] [adv prt] since [adj] | 8 |
|
| 5 | have been [verb] on since [adj] | 6 |
|
| 6 | had been [verb] [adv prt] since [adj] | 5 |
|
| 7 | have been going [adv prt] since [adj] | 5 |
|
| 8 | have been go [adv prt] since [adj] | 5 |
|
