Can I say,<br/><br/>(a) When<u> she saw the situation (in the class)</u>, she was very annoyed. She punished all the class severely. <br/><br/>(b) When she <u>saw the situation happened / that happened (in the class</u>), she was annnoyed.<br/><br/>(c) When she <u>saw the situation, she went into the class</u> with annoy / in annoyed.<br/><br/>(d) When she <u>saw the situation, she felt annoyed about the pupils' wrong-doing</u>s.<br/><br/>(e) When<u> the situation in the class was bad / serious</u>, she felt annoyed.