My plan is to spend the weekend in Marina

my plan is spending the weekend in marina

شكرا للأستاذ احمد علي الرد ولكن لماذا لا يصح أن نقول is to spend

is this the right answer or what?
please someone explains
and thank you

الجمله صحيحهو ليس بها خطأ على مع اعتقد؟
My plan is to spend the summer holiday in Marina

هى كدة الجملة صح

الجملة صحيحة
my hope is to be a doctor
دا مثال يوضح ان الجملة تمام

Be + infinitive
I am to ……. You are to
We use this structure in a formal style to talk about plans and
Arrangement , especially when they are official.
The president is to visit Nigeria next month.
We are to get a 10 per cent wage rise in June.
I felt nervous because I was soon to leave home for the first time.
A perfect infinitive can be used to show that a planned event did not happen.
I was to have started work last week, but I changed my mind.

Orders
We also use the structure to give orders. Parents often use it when speaking to children.
You are to do your homework before you watch it.
She can go to the party, but she 's not to be back late.

thanxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

الجملة دي موجودة في كتاب جيم ومطلوب تصحيحها بس انا شايف ان الجملة صحيحة

لا يا سيدى تصحيح الجملة هى :

My plan for the weekend was supposed to be in Marina but as I am a teacher I spent it on the roof
و لكن أعتقد الجملة صحيحة و لا تحتاج إلى تصويب و الله أعلم