Past Perfect Continuous Tense konusuyla ilgili alıştırmalar ve quizler ingilizceciyiz.com ‘da.
Exercises and quizzes on Past Perfect Continuous Tense in English are available on ingilizceciyiz.com .
Exercises and quizzes on Past Perfect Continuous Tense in English are available on ingilizceciyiz.com .
Select the correct verb and fill the sentences with the correct Past Perfect Continuous Tense form.
Doğru fiili seçin ve Past Perfect Continuous Tense’e uygun haliyle cümleleri doldurun.
observe ● test ● protest ● experiment ● gather ● explore ● conduct ● treat ● search ● study
1) The detectives the scene when the missing piece of evidence was found.
2) The students for exams when the announcement was made.
3) The scientists experiments on the virus for months.
4) The doctors the symptoms when the disease was identified.
5) The engineers the product when the malfunction occurred.
6) The activists for months when the government finally intervened.
7) The researchers evidence when the discovery was made.
8) The researchers new techniques when they made the discovery.
9) The chefs with recipes when the new menu was finalized.
10) The scientists the animals’ behavior for weeks when they made a new discovery.
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