modalk verb structuresAuthor: seungpyo yoo Description: Keywords: , , , , , , online teaching
Content: Groups: 1. important 2. not important 3. group_name3 4. group_name4
Objects: 0. He has to take a test 1. I mustn%27t be late 2. She doesn%27t have to take it 3. You should go to bed earlier 4. You shouldn%27t stay up so late 5. I must arrive on time
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