Several statements to be avoided when speaking or writing

• anyways--is not a word
• Like I said, they were there the whole time--As I said, they
• I wish I would of known in advance--I wish I had known in advance (of is not proper here)
• Her and I went to the movies--She and I
• There's many wonderful episodes in this novel--There are ---                                     
• Between you and I, the argument really got worse quickly--between you and me-
• Me and my teacher argued about another student's grade--My teacher and I (reference to yourself comes last)
• He did bad on the test--need an adverb here--he did badly or poorly
• The story was very unique--unique means one of a kind
• I feel badly that he flunked the test--I feel bad (a state of condition of yourself)
• Me and him went to the movies the other night--He and I went--
• Her and I are really trying to work things out.  She and I are . . .
• If I was thinking I would of done better--If I were thinking or  If I had been thinking I would Have.
• Has anyone lost their pen?  Has anyone (singular) lost his or her pen?
• Being that they were playing in the band,---Because they were (being is not causation).
• My parents enjoy plants when they're potted--need I say more?
• We were waiting on him to arrive for over four hours--We wait for someone to arrive--only waiters in restaurants wait on people.
• The reason I didn’t do my homework is because I had to go to the doctor.  The reason I didn’t do my homework is I had . . . or is that I had to . . .