1.of 尾音[t] + of [v] 时 a lot of = a lotta
例子：I have a lotta money
Let's get out of here. = Let's get outta here outta.
2.动词介词后面跟them时 t-h--e-m 变成'em
例子I love them. = I love'em.
I like them. = I like'em I hate them. = I hate'em.
many of them = many of'em talk to them= talk to'em
shame on them= shame on'em
3.特殊疑问句+did 时did变成 'd
例子Where did you go. = Where'd you go.
What did you say. = What'd you say.
How did it go. = How'd it go.
How did you do it.= How'd you do it.
