Past simple VS Present perfect

Past simple VS Present perfect
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Past simple VS Present perfect
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Activate B1+ GrammarTest_8

Grammar - ESL

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Zero, first and second conditional

Grammar - ESL

conditional: zero, first and second structure, exercises

Defining and non-defining relative clauses

Grammar - ESL

Relative clauses and relative pronouns

Relative clauses

Grammar - ESL

difference between defining and non defining