No | Pattern | Freq | Relations |
---|---|---|---|
1 | has be [v-ing] [adv] for years | 6 |
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2 | has [been] [v-ing] [adv] for years | 6 |
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3 | has been [v-ing] [adv] for years | 6 |
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has [be] [v-ing] [adv] for years Next page
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