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Im=πI Im= √2I Ie= √2Im Im=√2/2I
excited, excited excited, exciting exciting, excited exciting, exciting
A; the The; / The; a A; a
It was so exciting film So exciting a film was it It was such exciting film So an exciting film was it
surprising interesting exciting boring
surprising interesting exciting boring
I=21/2Im I=21/2Im/2 I=2Im I=Im/2
exciting, excited excited, excited excited, exciting exciting, exciting
see have seen will see am seeing
Im=√ 2I; Im=√2I/ 2; Im=I; Im=√ 3I。
, expensive interesting exciting boring
Having seen; exciting Seen; excited To see; exciting Seeing; excited
Although exciting No matter exciting Even if excited However exciting
surprising interesting exciting boring
didn’t see hadn’t seen don’t see haven’t seen
Im=√2I Im=√2I/2 Im=I Im=√3I
11Im1-3Im2= 5 11Im1+3Im2=5 11Im1+3Im2=-5 11Im1-3Im2=-5