[ Grammar ]
I know this. (Change into simple past)
A. I knew this
B. I was knowing this
C. I will be knowing this
D. I know this

Random Topics:
Grammar: Have toConjunctions, Interjections and Sentence TypeGerund & InfinitivesPresent / Future / Present Progressive / non Action VerbsFuture PlansFamily VocabularyPersonal Pronouns and VerbPrepositions of Time, Place, and MovementSynonymArticle & PrepositionOther quiz:
Prepositions and Conjunctions › ViewWhich sentence shows an example of a correlative conjunction?
A. Mrs. Nelson eats apples and carrots every day.
B. Either you go, or I will.
C. After the mall, I took a nap.
Modal Auxiliary Verbs › View
I ______ (must / have to) get up early for work tomorrow.
A. have to
B. must
Definite and Zero Article › ViewHe went to ___ school by ___ bike
A. the, the
B. the, x
C. x, the
D. x, x
Grammar › View
In addition _____ a new branch in Peru, we have to hire more employees.
A. to open
B. opening
C. to opening
D. of opening