Past tense:
The flock of birds was flying.
Present tense:
The flock of birds is flying.
(flock is a collective noun)
Yes.
was
A Flock of Birds means a lot of bird flying together
yes
Flock- to remind you listen to Flock of Seagulls song "Then I Ran"
a flock. But also if flying can be different, e.g. a skein of geese
Speed.
The collective noun is a flock of birds.
There is no "father" with birds or in a flock of birds.
A group of swifts is called a "flock." swifts are small, fast-flying birds known for their agile aerial acrobatics.
It is a flock of birds.
In the nursery rhyme "Birds of a Feather," the birds will flock together.
flock
a flock a flock