These are used to join two sentences when the second sentence is
surprising after the first.
We can't use even in these sentences.
- Even though she can't drive, she has bought a car. (once)
- He never shouts, even when he is angry. (Generally)
- Even though he was angry, he did not lose his temper. (once)
- I'll have a lesson with you tomorrow, if I'm free.
Even if I'm busy tomorrow, I'll have a lesson with you.
Choose either "if" or "even if"
- We are going out tomorrow, whatever the weather is like.
_____ it's raining.
- We are thinking of going out tomorrow, but we will stay at home
____ it's raining.