If you hadn’t told me about the changes in the timetable, I wouldn’t have noticed.
A. You hadn’t told me about the changes in the time table, so I didn’t notice.
B. Unless you had told me about the changes in the timetable, I wouldn’t have noticed.
C. If you had told me about the changes in the timetable, I would have noticed.
D. Unless you tell me about the changes in the timetable, I won’t notice.

Random Topics:
Simple Future - PassivePrepositions and Phrasal VerbsGrammar and EssayPrepositions of Time, Place, and MovementSentence Structure and Grammar RulesModal "Have to"Verb to beSentencesTo Infinitive or Bare InfinitivePast Simple (Questions)Other quiz:
Grammar › ViewA : Hello, my name is Orlin Gauri
B : Hi, I’m Shaletta Moana
A : Sorry, ….
B : It’s M-O-A-N-A
A. What’s your spelling?
B. How do you spell your first name?
C. How do you spell your last name?
D. What’s your last name?
Relative Clause › View
Look at that car. My uncle wants one.
A. Look. That´s the car that my uncle wants.
B. Look. That´s the car whom my uncle wants.
C. Look. That´s the car whose my uncle wants.
D. Look. Tha’s the car that my uncle wants one.