Grammar & Punctuation Capitals, full stops & question marks. Key Stage 1 Q1  Sentences begin with a capital letter. Special names called proper nouns, like Thomas or London, also begin with capital letters. Most sentences end with a full stop, but questions end with a question mark. Read these sentences and choose which one uses capitals, full stops or question marks correctly. Question 1 Yesterday John and Peter went to france in their Boat. Yesterday John and Peter went to France in their boat. Yesterday John and Peter went to France in their boat? Yesterday John and Peter went to france in their boat?