
Elementary Lessons:
Foundational English for Professional Growth
This page is a comprehensive index of the foundational skills covered within the Doubletick curriculum. These lessons focus on establishing the precise language structures necessary to build a confident, professional command of English.
While these lessons are at the elementary level, they serve as the critical base layer for advanced communication. Mastering these fundamentals - the Butterfly Effect applied to grammar - ensures small errors do not compound into communication breakdown later in high-stakes settings.
The Elementary English Lesson Index (A1/A2 Level):
Below is the full, detailed index of our core Elementary lessons, covering essential English grammar, vocabulary, and exercise topics. This index allows you to see the scope and precision of the Doubletick curriculum.
Lesson E101 - Cant & Can't / Animals
Exercises
Lesson E102 - Present Continuous / Animals
Grammar
Lesson E103 - Food & Meals / Prices
Grammar
Lesson E104 - There is / There are & Rooms and Furniture
Grammar
Lesson E105 - Numbers
Lesson E106 - Possessive 's & Family
Grammar
Lesson E107 - Future Simple / Transport & Time
Grammar
Lesson E108 - Must & Mustn't
Exercises (Obligation and Prohibition)
Lesson E109 - Present Perfect V's Past Simple
Grammar (Timeline Distinction)
Lesson E110 - 'Going to' Future & Ambitions
Grammar
Lesson E111 - Jobs / Present Simple
Grammar (Routines and Facts)
Lesson E112 - Past Simple (to be) / Descriptive Adjectives
Grammar
Lesson E113 - Present Perfect / Countries
Grammar (Experience)
Lesson E115 - Adverbs of Frequency, Time Expressions
Exercise
Lesson E116 - Comparative Adjectives
Exercises
Lesson E117 - Present Continuous V's Present Simple
Grammar
Lesson E118 - Past Continuous
Exercises
Lesson E119 - Town Vocabulary & Directions
Exercises
Lesson E120 - Will V's 'going to' and the weather
Exercises
Lesson E121 - Telling the Time & Time Expressions
Exercises



