[iː] VS [ɪ] [p] VS [b]

[uː] VS [ʊ] [t] VS [d]

[ɑː] VS [ʌ] [k] VS [g]

[ɔː] VS [ɒ] [f] VS [v]

[e] VS [æ] [s] VS [z]

[ɜː ]VS [ə] [θ] VS [ð]

[eɪ] VS [aɪ] [ʃ] VS [ʒ]

[əʊ] VS [aʊ] [tʃ] & [dʒ]

[ɪə] & [eə] & [ʊə] [w] VS [j]

[ɔɪ] [m] & [n] & [ŋ]

[l] VS [r] [h]

[ts] VS [dz] [tr] VS [dr]

Subject Pronouns and the Verb be

Demonstratives,Singular and Plurals Nouns

Articles

The Verb be: Negatives and Questions

The Verb be: Wh-questions

Pronouns: Possessive Pronouns

Numbers: Numbers,time,date

Conjunctions: and,but,although

Tense: Present Continuous

Tense: Present Simple

Tense: Present Simple VS Present Countinuous

Existential Sentence

How-Questions

Adjectives and Adverbs

Pronouns: Object Pronouns and Reflexive Pronouns

Basic Sentence Pattern (1)

Nouns: Uncountable Nouns

Indefinite Determiner: some, any

Indefinite Determiner: much, many

Indefinite Determiner: (a)few,(a)little

Numbers: Large Numbers, Ordinal Numeral

Adverbs: Frequency and Degree

Modals: Ability, Possibility, Permission

Modals: Obligation, Necessity

Verbs: Sense Verbs

Imperative

Tense: The Future Tense

Prepositions: Place

Prepositions: Direction

Prepositions: Time

Tense: Past Simple Statements

Tense: Past Simple Negatives and Questions

Adverbs: Time and Place

Basic Sentence Pattern (2)

Preposition：Manner, Exception

Pronouns: One and Ones

Adjectives: Comparatives

Adjectives: Superlatives

Adjectives: Comparative Construction

Adverbs: so, too, neither, either

Verbs: Phrasal Verbs

Verbs: used to and be used to

Modals: Willingness, Intention, Determination

Modals: Suggestions, Advice

Modals: Speculation