[ Past Perfect Continuous Tense ]
I … on the railway station waiting room for an hour before the train arrived.
- had been being sit
- had been sitting

Random Topics:
Modals for Ability, Possibility and PermissionComparative AdverbDefinite pronouns (Subject, Object, Reflexive)like/do not likeTenses and Sentence CompletionGrammar - Punctuation of Sentencesas...as, comparatives, superlativesGerunds, Infinitives and ParticiplesPassive SentencesAction vs Linking Verbs/ Verb PhrasesOther quiz:
Grammar › ViewRosa : Where do you write your letter? Hendry : ……………….
A. I wrote it in my bedroom.
B. I am writing it in my bedroom.
C. I write it in my bedroom.
D. I do write it in my bedroom.
Grammar › View
The blue whale is the ______ animal in the world.
A. large
B. larger
C. largest
D. more large
Passive Voice Tenses › View. What is the passive voice of ‘The students are taking the exam’?
A. The exam is being taken by the students.
B. The students are being taken by the exam.
C. The exam was taken by the students.
D. The students take the exam.
Grammar › View
My father uses laptop to_____
A. working
B. works
C. for work
D. work