last summer
fixed phr..fixed phr.. This phrase means the summer of the year before the current one.
fixed phr.. A noun phrase functioning as a time adverbial, referring to the summer of the preceding calendar year.
She still has photos from last summer.
We visited my grandparents last summer, and we're planning to see them again this Christmas.
The economic policies enacted last summer are only now beginning to show their full, and largely negative, effects on small businesses.
This phrase is used without a preposition like 'in' or 'on' to say when something happened.
Contrast with 'this summer' and 'next summer', and emphasize that time phrases with 'last' do not take a preposition.
In last summer, we went camping.Last summer, we went camping.Time expressions with 'last', 'next', 'this', or 'every' do not need a preposition like 'in' or 'at'.