The clutch is not working.
An inoperative clutch can be simply worn out. Clutches are made from similar material to brake pads, and much like brake pads, they wear out with use. Another possibility is a hydraulic issue. A leaking or faulty slave cylinder or clutch master cylinder will also keep your clutch from working. I suggest seeking professional help such as YourMechanic. A mechanic will be able to check it out for you and give you a proper diagnosis of why your clutch is not working.
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