| Type of Error | Example Errors | Correct Form |
| Problems with auxiliary verb sequences, especially involving tense
agreement.
|
She should have talk to him. |
She should have talked to him. |
| Wrong choice of preposition. |
The female dog was on heat and ready to
mate. The car was covered in snow. |
The female dog was in heat and ready to
mate. The car was covered with snow. |
| Missing determiners. |
She is good woman. What is answer? |
She is a good woman. What is the answer? |
| Disagreement between determiner and noun,
especially with regard to number. |
He has many wonderful toy. |
He has many wonderful toys. |
| Irregular verbs, nouns, and adjectives, such
as think/thought, go/went/gone, drive/drove/driven, send/sent, and child/children. |
He sended the childs home to their parents. |
He sent the children home to their parents. |
| Subject-verb agreement errors. |
The questions on the test was
difficult. The passage through the hills were narrow. |
The questions on the test were
difficult. The passage through the hills was narrow. |
| Commonly confused words, such as to/too/two,
except/accept, effect/affect, which/that, then/than, piece/peace, and its/it's. |
Reuniting the dog with it's master was a
peace of cake. |
Reuniting the dog with its master was a piece
of cake. |