Created byEnglish for children ESL English B1 (ระดับกลางต่ำ) ไวยากรณ์ English คำแนะนำของผู้เขียน READ AND FOLLOW THE INSTRUCTIONS My Google Classroom Courses × 0 classes selected (0 students total) Quick Access Select all classes (0 classes) All Classes Loading courses... ยกเลิก Share Share to selected Course __COURSE_NAME__ __STUDENT_NAME__ (__STUDENT_EMAIL__) PAST PERFECT BY EFC ดาวน์โหลด Active — user can report Report this worksheet Worksheet Validation Check my answers Emails my answers to my teacher ชื่อเต็ม Group/level School subject Teacher's email or key code Close ส่งข้อมูล Validating worksheet... (12) Your answers have been sent to your teacher. Good luck! OK We encountered an error submitting your answers. Please try again. OK โฆษณา | ใช้งานแบบไม่มีโฆษณา Created byEnglish for children ESL English B1 (ระดับกลางต่ำ) ไวยากรณ์ English คำแนะนำของผู้เขียน READ AND FOLLOW THE INSTRUCTIONS สำรวจแผ่นงาน Just English Test ESL B1 Just English Test Grammar - ESL Just English Modals of obligation and prohibition ESL B1 Modals of obligation and prohibition Grammar - ESL Complete with have to-don't have to, must or musn't, and should or shouldn't. Present Perfect Simple - positive and negative ESL B1 Present Perfect Simple - positive and negative Grammar - ESL English as a second language Worksheet on present perfect simple Main content: Present perfect Other contents: present perfect simple, form, positive, negative Passive voice ESL B1 Passive voice Grammar - ESL Complete the following sentences using passive voice in the present or in the past.