Clutch and gear

Shift the clutch into first and second gear several times before attempting to shift into reverse if you have a manual transmission. Sometimes the clutch jams between the torque converter. Some minimal shifting between gears usually loosens the clutch, which enables you to put the car in reverse again.

when you put it in reverse,first thing you feel a spring.after tthat you lift,
a security plate,this plate prevent you from going reverse into 1 gear.
cause the axel turn a little further when you allreddy has stop the car.
this takes two sec.thats why when putting it in reverse after you feel the spring you wait two seconds,then puch al the way in reverse.

I suspect it's time for a new clutch.

Could be, or the clutch disc. First gear and reverse do not have syncro gears, the others do. So the transmission and engine have to be "disconnected" to allow shifting into first and reverse.

clutch could be worn out ?
how many miles since it was replaced ?

With the engine off, check your operation of the gear shift. If you can go in and out of the gears fine without the engine running, then you have a worn clutch disc that needs replaced. If the problem still exists then you either have low fluid/weak hydraulic system, or there is a problem with the syncro that may be adjusted.

You may have what is called a syncronizer problem which is basically a transmission rip down and inspection, when the syncros go they create havoc inside the gear box making shifting extremely difficult in these gear ranges.
The other thing that also should be inspected at the same time the transmission is looked at is the clutch assembly, clutches should last long times depending on how each vehicle is driven, generally a clutch can be worn out in as little as 30,000 miles if it is pushed hard as oppossed to a car being babied and lasting 100,000 miles or more.

clutch.

Worn clutch plates. Reverse & first gear uses the same clutches so how is 1st gear running out as you drive off? Slips a little?

how does the clutch pedal feel?..clutch out of adjustment,needs clutch job...kev-mn.