Loopy AI
Browse CoursesEnrolled CoursesReviewVocabulary Book
Level TestCertificationSchool ExamsScan Exam
DictionaryLearning GuidesBrowse by TopicBlog
Login
Courses
Browse CoursesEnrolled Courses
Practice
ReviewVocabulary BookWriting
Tests
Level TestCertificationSchool ExamsScan Exam
Tools
DictionaryLearning GuidesBrowse by TopicBlog
My Content
PlaylistsMy NotesWishlist
Pricing

Blog

Tips, insights, and updates about English learning

English Learning KnowledgeMemory Curve & FSRSGrammarVocabularyUsage & CollocationsHow to Use Loopy
All PostsGrammarCorrelative ConjunctionsConjunctionsSentence Patterns
July 16, 20261 views

both…and, either…or, neither…nor: Master the Parallel Structure Rules of Paired Conjunctions Once and for All

The most common stumbling block with paired conjunctions is deciding whether the verb should be singular or plural. This article uses the parallelism principle, the proximity rule, and easy-to-remember test methods to help you easily master both…and, either…or, and neither…nor, and even learn the B2-level not only…but also along the way.

GrammarCorrelative ConjunctionsConjunctionsSentence Patterns
Loopy AI

AI turns any English content into your personal listening, speaking, reading & writing coach.

Start Learning Free
Explore CoursesPricingLevel TestBlogCreator ToolsAbout Us
Terms of Service·Privacy Policy·Data Deletion

© 2026 Loopy AI. All rights reserved.