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Grammar past simple of the verb "to be"
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GRAMMAR Past simple ( regular verbs)
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GRAMMAR past simple (irregular verbs)
For irregular verbs, we cannot add-ed to form the past simple -
GRAMMAR irregular plurals
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GRAMMAR count and non-count nouns
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GRAMMAR collective nouns
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GRAMMAR to-infinitive
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GRAMMAR adverbs of manner
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GRAMMAR quetions words
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GRAMMAR past progressive
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GRAMMAR present perfect simple
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GRAMMAR present perfect simple
negative sentences and questions -
GRAMMAR time connectives
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GRAMMAR could
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GRAMMAR past simple and present perfect simple
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GRAMMAR used to
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GRAMMAR conjunctions-and/but/or
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GRAMMAR comaparatives and superlatives
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ACTIVE ENGLISH
Nigel Reid
Gabriela G. Rujana
Julieta Nuñez
Publicado 2013
