Chuyển các động từ nguyên thể sau sang dạng...

Đáp án

- Hướng dẫn giải

Thêm –ing	Going, playing, studying, watching, laying, reading, looking, listening, enjoying, doing, collecting, singing, buying.
Bỏ –e thêm –ing	Having, riding, dancing, taking, writing, believing.
Chuyển –ie thành -ying	Dying, lying.
Gấp đôi phụ âm	Cutting, beginning, swimming, clapping, skipping, running, sitting.