Ответ:

1. he looked at himself in the mirror

2. im not angry with you. im angry with myself

3. karen had a good time in australia. she enjoyed herself

4. my friends had a good time in australia. they enjoyed themselves

5. i picked up a very hot plate and burnt myself

6. he never thinks about other people. he only thinks about himself

7. i want to know more about you. tell me about yourself

8. goodbye! have a good trip and take care of yourselves

2. when i saw him, he was by himself

3. dont go out by yourself

4. i went to the cinema by myself

5. my sister lives by herself

6. many people live by themselves

2. she has already seen him sitting all by himself pp

we have decided to go by ourselves pp

i havent tried doing it by myself pp

my friend has told me about him painting this picture by himself pp

i have never met her without her friends, just by herself pp

i have never been so proud of myself ppc

we have alredy been there by ourselves ppc

she has been thinking about it while looking at herself in the mirror ppc

my friend himself has been helping me with my math homework ppc

they have been cleaning their classroom themselves for an entire year ppc

did you do your homework by yourself? ps

did she walk to her house all by hrseld yesterday? ps

Объяснение:

pp- present perfect

ppc- present perfect cont

ps - past simple

на 100% правильность предложений не претендую, сделала так, как сама знаю английский