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5,817 free courses
Engineering System Design: Modeling Techniques and Simulations
Modeling Techniques and Simulations focuses on the behavior and performance of an actual or theoretical systems.
Engineering System Designs: Qualification Planning & Design Process
Qualification Planning & Design Process provides a step-by-step guide on how to undertake the qualification and planning process in Engineering System Design.
English Grammar - Articles & Nouns (Intermediate level)
This Intermediate English grammar course lays out the differences between countable and uncountable nouns and explains how to use articles to tell a story.
English Grammar - Comparisons & Word Order (Intermediate level)
This intermediate English grammar course explains how comparative forms apply to word order, suffixes and adjectives and adverbs.
English Grammar - Future (Intermediate level)
This intermediate-level English course teaches you how to use the ‘present tense for the future’ (simple and continuous voice) to discuss plans and predictions.
English Grammar - Modal Verbs (Intermediate level)
This intermediate level course explains how to use English modal verbs like ‘must’, ‘can’ and ‘should’ to discuss intentions, ideas, wishes, plans and more.
English Grammar - Passive Speech (Intermediate level)
This intermediate level English grammar course explains passive and active voice and takes you through various examples to help you choose which to use.
English Grammar - Phrasal Verbs (Intermediate level)
In this course you will learn about how phrasal verbs are constructed; the use of prepositions and verbs; using phrasal verbs in different tenses etc.
English Grammar - Prepositions (Intermediate level)
Many English language learners struggle with prepositions - which ones to use, where, when and how etc. This course aims to help solve that problem.
English Grammar - Pronouns & Determiners (Intermediate level)
This intermediate-level English grammar course explains the use of pronouns, including reflexive and possessive pronouns, and shows you how determiners work.
English Grammar - Relative Clauses (Intermediate level)
In this free online course you will learn about how relative clauses define nouns; what relative pronouns (who, that, which etc.) are and when to use them etc.
English Grammar - Verbs (Intermediate level)
In this course you will learn about: how verbs are used in sentences; -ing forms; rules regarding the use of prepositions and verbs; past forms of verbs etc.
English Grammar and Vocabulary - Describing Relationships (Advanced Level)
This advanced English grammar course enriches your vocabulary and provides idioms, phrasal verbs and collocations to help you discuss human interactions.
English Grammar and Vocabulary - Discussing Work (Advanced Level)
In this free online course you will learn key vocabulary and grammar for discussing work. Practice using verbs, collocations, phrasal verbs, idioms, expressions
English Grammar and Vocabulary - Fashion (Advanced Level)
This advanced English vocabulary and grammar course teaches you how to use idioms, phrases, emphasizers, inversions and downtoners to discuss clothing.
English Grammar and Vocabulary - The Media (Advanced Level)
In this free online course you will practice using vocabulary and grammar for describing television programmes, newspapers and different types of media.
English Grammar and Vocabulary - The Weather (Advanced Level)
This English course covers common phrases and idioms used to discuss the weather, which can help you make small talk, and examines the grammar of pronouns.
English Grammar and Vocabulary - Travel (Advanced Level)
In this free online course you will learn to use common travel-related idioms and expressions; adjectives for describing travel destinations etc.
English Idioms and Grammar for Beginners
Prepare for the A2-Key exam by learning the meaning, grammar, pronunciation and origin of 72 common English idioms and sayings covered in this English course.
English Language - Articles and Emphasis (Upper-Intermediate Level)
In this free online course you will become familiar instructional or 'how to' language. There is a topic on articles: types, rules and applications.
English Language - Clauses and Modifiers (Upper-Intermediate Level)
This upper-intermediate English grammar course covers the use of adverbs with adjectives as intensifiers and modifiers and provides useful descriptive phrases.
English Language - Conversations in the Present (Elementary level)
In this course you will learn how to introduce yourself, ask and answer questions in simple conversations and learn how to use the verb 'to be' in the Present.
English Language - Describing Activities (Elementary level)
This elementary English grammar course explains how to describe things and actions and lays out useful vocabulary to discuss plans and activities.
English Language - English for Travel (Elementary level)
In this course you will learn how to use adjectives to describe things - especially relating to holidays and travel, including the use of nouns and adjectives.