Use of english

Use of english

คำแนะนำของผู้เขียน

drag and drop - give the correct tense

สำรวจแผ่นงาน

Present perfect vs simple past

Grammar - ESL

Contrast simple past vs present perfect

Zero, first and second conditional

Grammar - ESL

conditional: zero, first and second structure, exercises

Past Simple and Present Perfect

Grammar - ESL

Comparison of past simple and present perfect

Relative clauses

Grammar - ESL

difference between defining and non defining