Words to look out far in grammer

1. such as ( to give examples)vs like ( to compare two objects...)
2. word placements of words like all, only, daily,following,free
3. if : it should refer to hypothetical situation
4. Words with multiple meanings such as "light"
5. Avoid redundancy . redundant words are as follows

• past experience
• % increase or decrease
• sum total
• being exited. being is almost wrong
  
• before , when shd not be used together
  
• when had had are used next to each other , check if it is really necessary
• possible and may is considered redundant
  

6. known vs unknown : a sentence that expresses certainty over action shd not be changed into one that expresses uncertainity ( shd, might,can would.. etc should not be interchanged)
7. the present participle should not be followed by verb in present tense
8. The prepositional modifier should be present next to the phrase it modifies
9. it, they theirs,its, : all this means proper refering of these words must be checked
10. concise shd be always checked for . its subjective.

• over the way : how
• made an attempt : tried
• have differences : differ

11. The use of article "the"
12.