Grammar explanations

Adjectives

• Adjectives - the comparison
• Adjectives - order
• Adjectives - expressions with as + adjective + as
• Possessive adjectives

Articles

• The definite article "the"
• The indefinite article "a" i "an"
• The zero article

Infinitive

• Infinitive with 'to'
• Infinitive and Gerund - differences in meaning

Verbs

• Irregular verbs - the complete list
• Irregular verbs divided into groups
• Verbs not used with ending -ing
• Verbs used with prepositions

Gerund

• Gerund - usage and forms
• Gerund after verbs
• Gerund and infinitive - differences in meaning

Reported Speech

• Reported Speech - changes of tenses
• Reported Speech - changes of time expressions, places and persons

Conditional sentences

• Conditional sentences - Type I
• Conditional sentences - Type II
• Conditional sentences - Type III

Prepositions

• Prepositions - time
• Prepositions - place, direction, distance

Present Perfect

• Present Perfect - diagram
• Present Perfect - forms
• Present Perfect - usage
• Present Perfect - spelling
• Present Perfect - special verbs
• Present Perfect - signal words

Present Perfect Progressive

• Present Perfect Progressive - diagram
• Present Perfect Progressive - forms
• Present Perfect Progressive - usage
• Present Perfect Progressive - spelling
• Present Perfect Progressive - special verbs
• Present Perfect Progressive - signal words

Present Progressive

• Present Progressive - diagram
• Present Progressive - forms: affirmative, negative, questions
• Present Progressive - usage
• Present Progressive - spelling
• Present Progressive - special verbs
• Present Progressive - signal words

Present Simple Tense

• Present Simple - diagram
• Present Simple - forms
• Present Simple - usage
• Present Simple - spelling
• Present Simple - special verbs
• Present Simple - signal words

Prepositions

• Prepositions - time
• Prepositions - place, direction, distance

Adverbs

• Adverbs - types, definitions and examples
• Adverbs - forming
• Adverbs - position in a sentence

Nouns

• Countable nouns
• Uncountable nouns
• Uncountable nouns ending with '-s'
• Plural nouns - forming plural forms
• Nouns - pronunciation of plural nouns
• Nouns with the same singular and plural forms
• Nouns with unusual plural forms (of foreign origin)
• Nouns with only plural forms
• Collective Nouns
• Possesssive Form: 's

Simple Past

• Simple Past - forms
• Simple Past - usage
• Simple Past - spelling
• Simple Past - special verbs
• Simple Past - signal words
• Simple Past - pronunciation of '-ed'

Passive Voice

• Passive Voice - forming
• Passive Voice in different tenses