| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv prt] about three [noun] | 45 |
|
| 2 | [adv prt] about three [noun pl] | 44 |
|
| 3 | [adv prt] about [num] weeks | 30 |
|
| 4 | [adv prt] about [adj] weeks | 30 |
|
| 5 | [adv] about three weeks | 14 |
|
| 6 | [adv prt] [adv] three weeks | 11 |
|
| 7 | [adv prt] [adv] three weeks | 11 |
|
| 8 | [adv prt] about three weeks | 8 |
|
| 9 | [adv prt] about three weeks | 8 |
|
| 10 | [adv prt] about three week | 8 |
|
