[ Tenses and Structure ]
Which sentence correctly combines tenses?
A. I eat when the doorbell is ringing.
B. I was eating when the doorbell rang.
C. I was eat when the doorbell rings.
D. I have eaten when the doorbell rang.

Random Topics:
Conditional 0Participle - ing/ edSimple Present and Present ContinuousConjunctions & PrepositionsArticles & QuantifiersPrepositions and ConjunctionsVocabulary and ModalsComparatives and SuperlativesTenses and ComparisonsPresent Perfect - Just, Already, YetOther quiz:
Verb + Infinitive or Gerund › ViewChoose the appropriate form: She enjoys (to draw / drawing) portraits.
A. draw
B. drawing
C. to draw
D. drawn
Conditional Sentence Type 0-3 › View
If you cook vegetables for long time, they … (lose) their nutrients.
A. Loses
B. lose
C. had lose
D. would lose
Grammar › ViewVerb, Past Tense: Choose the past tense verb:
A. laugh
B. laughs
C. laughing
D. laughed
Conjunctions and Commas › View
___________ Samantha is tired, she continues to work.
A. Because
B. So
C. Although
D. If
