$1$. One rarely finds good service these days.
=> Rarely does one find good service these days.
$2$. She has rarely travelled more than fifty miles from her village.
=> Rarely has she travelled more than fifty miles from her village.
$3$. It is very unusual for a military campaign to have been fought with so little loss of life.
=> Seldom has a military campaign been fought with so little loss of life.
$4$. It is unusual for the interior of the island to be visited by tourists.
=> Seldom is the interior of the island visited by tourists.
$5.$ Public borrowing has seldom been so high.
=> Seldom has Public borrowing been so high.
$6$ They had seldom participated in such a fascinaating ceremony.
=> Seldom had they participated in such a fascinaating ceremony.
$7$. They little suspected that the musical was going to be a runaway success.
=> Little did they suspect that the musical was going to be a runaway success.
$8$. The embassy staff little realized that Ted was a secret agent.
=> Little did the embassy staff realize that Ted was a secret agent.
$9$. She didn't realize what would happen to her next.
=> Little did she realize what would happen to her next.
$10$. I didn't think that one day I'd be appearing in films rather than just watching them.
=> Rarely did I think that one day I'd be appearing in films rather than just watching them.

=>
1. Rarely does one find good service these days.

2. Rarely has she travelled more than fifty miles from her village.

3. Seldom has public borrowing been so high.

4. Seldom had they participated in such a fascinaating ceremony.

5. Little did they suspect that the musical was going to be a runaway success.

6. Little did the embassy realize that Ted was a secret agent.

7. Seldom has he seen anything stranger

8. Little did she realize what would happen to her next.