The present perfect continuous tense

[lingua_accordion id="lingua_3" multiselectable="true" style="accordion2" ][lingua_accordion_item title="OLUMLU CÜMLE (+)" id="0" accordion_id="lingua_3" style="accordion2" ]Özne +have/has been + Fiil(ing)+ Nesne[/lingua_accordion_item][lingua_accordion_item title="OLUMSUZ CÜMLE ...
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