the birds are not fledged yet to fly in the sky
The bird is fully fledged, kick him out of the nest.
Fledging.
Marta watched the newly hatched seagulls walk about near their rooftop nest, because as fledglings, they could not yet fly.
Inexperient, fledging, new, uninitiated
i do not know how to use embalming in a sentence. (there is the sentence)
Fledging takes place when the chick is 28 to 35 days old.
The fledging period lasts 53 days.
So- you are asking when to use 'when' in a sentence. When you are asking how to use when in a question, you are already using when in a sentence, because a question actually is a sentence. I like to use when in a sentence whenever I like.
use contingency in a sentence?
How do you use sedition in a sentence
use adainty as sentence
Can you use abstemious in a sentence?