The word 'sightseeing' is a gerund, the present participle of a verb that functions as a noun. Gerunds have no plural form.
Have you lost your sense of sight? Get out of my sight!
The plural of rose is roses. The plural possessive is roses'.
The plural of 'bunch' is bunches.The plural of 'ant' is ants.The plural of 'batch' is batches.The plural of 'day' is days.The plural of 'chimney' is chimneys.The plural of 'tomato' is tomatoes.The plural of 'umbrella' is umbrellas.The plural of 'donkey' is donkeys.The plural of 'sky' is skies.The plural of 'foot' is feet.The plural of 'show' is shows.
applied is does not have a plural but is apply it does have a plural.
The plural is a regular plural, attics.
'They are going sightseeing' or 'They are going to go sightseeing' are acceptable forms.
"During our holiday in France, we went sightseeing in Paris."
London Pride Sightseeing was created in 1973-03.
Sightseeing - 2008 was released on: USA: February 2008
Circle Line Sightseeing Cruises was created in 1945.
My family and I went sightseeing in Europe this summer.
The cast of Sightseeing Blind - 2007 includes: Simon Chadwick as Narrator
There are a variety of sightseeing tours available in the York area. One prominent tour is called the City Sightseeing York, the prices are 12 euros for adults and 5 euros for children.
go sightseeing
Going sightseeing!
go sightseeing
Have you lost your sense of sight? Get out of my sight!