Lesson 8 : Present perfect continuous
1-Affirmative :
S+Have/Has+been+Verb (ing)
S+Have/Has+been+Verb (ing)
2-Negative:
S+Have/Has+Not+been+verb(ing)
S+Have/Has+Not+been+verb(ing)
3-Interrogative:
Have/Has +S+ been+Verb (ing)
Have/Has +S+ been+Verb (ing)
Since - Marc,April .... - O clock ..- Sunday ... - Then ... -a month .... - an hour ...
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