ex1) We already have 30 people from seven countries signed up for the trip
ex2) We already have 30 people from seven countries signing up for the trip
ex3) We already have 30 people from seven countries sign up for the trip
I saw ex1) in my book, but I wonder why ex2) and ex3) are incorrect.
In addition, why is the past participle 'signed' used in ex1) ?
I'm not certain of my answer, by the way, what I'll write is just my thinking or conclusion. When I think about them I see that I can make the first sentence like the following without changing its meaning. - 30 people have signed up for the trip.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.
I'm not certain of my answer, by the way, what I'll write is just my thinking or conclusion. When I think about them I see that I can make the first sentence like the following without changing its meaning.
- 30 people have signed up for the trip. (Have+ V-P.P--- Present Perfect) Correct
- 30 people have signing up for the tr