The British Council’s grammar page provides a nice clear Explanation and exercises to practise this point.
An interesting read about whether monkeys have the rights to selfies that they take.
The question was raised about when to use into and when it should be in to. Here there is a nice explanation and a good suggestion of how you can check your own work.
Below is a link to extra clarification of the 4 basic travel words: Travel, trip, journey and voyage. Also of interest, we can talk about an emotional journey or a spiritual one. This is extremely common with X Factor contestants. The J bomb gets dropped all over the shop! (Not literally.)
‘Used to’ is very commonly used in English to talk about things that happened repeatedly in the past. Students also often mix it up with ‘be used to’ in form and use. Below are some links for extra practice.