can 食べよう mean; 1. lets eat / shall (we) eat 2. should eat?


can 食べよう mean

  1. lets eat / shall (we) eat (suggesting)
  2. should eat (expressing an opinion)

?

eg;

  1. 昼食を食べよう lets have lunch
  2. お昼は、どこで食べようか? where _should_ we eat for lunch?

Which is correct meaning for ~よう/こう/おう/ろう....(verb volitional form)




If you are a beginner, you should learn the following three usages.

**しよう (with a flat or falling intonation)**

This pattern is used when you suggest that you and the listener do something
together. It is often translated as " _Let's ..._ "

> 昼食を食べよう。  
>  Let’s have lunch.

**しようか with a falling intonation**

This pattern is used when you invite the listener to decide something with you
about something you are going to do together. It is often used with a question
word (interrogative) such as なに, どこ, and いつ.

> お昼は、どこで食べようか。(↓)  
>  Where are we going to eat for lunch?

> 予約をしようか。(↓)  
>  Why don’t we make a reservation?

**しようか with a rising intonation**

This pattern is used when you offer to do something for the listener.

> 予約をしようか。(↑)  
>  Shall I make a reservation for you?

