Modal verbs with or without 'to'

[carly]

English Error, Elementary Level

ESL/EFL Test #2 "Be careful", question 7

When you wish to buy a book, you should to go to a bookshop.

(a) to buy
(b) should to
(c) bookshop

English Error, Elementary Level

ESL/EFL Test #2 "Be careful", answer 7

When you wish to buy a book, you should go to a bookshop.

Correct entry: should
The error was: (b) should to
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Is that correct? (Modal verbs with or without 'to')

Thank you.

[Alan]

Hi,

Should is followed by the infinitive without the preposition 'to' as with other modals - can/may/will.

Alan
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English as a Second Language
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[Martina]

Is there any difference between "bookshop" & "bookstore"?