Compose complex sentences using subordinating conjunctions (when, because, although, since, after, before, while, until, if)
Exercise Difficulty 2 ~5 min eng.g3.f.ex_06

Fronted Back Sort

Prompt

Sort these 8 complex sentences into FRONTED (subordinate clause first, comma needed) or BACK (subordinate clause last, no comma needed). Then add or remove a comma if the sentence's punctuation is wrong. (1) When the bell rang we hurried inside. (2) We hurried inside when the bell rang. (3) Because the soup was cold, Mom complained. (4) Mom complained, because the soup was cold. (5) Although it was raining, we walked to the library. (6) We walked to the library although it was raining. (7) When my dog barks I close the window. (8) I close the window, when my dog barks.

How it's presented
mode drag and drop sort
Answer criteria
type category sort with corrections
correct
BACK (no comma)
[2, 4, 6, 8]
FRONTED (add comma if missing)
[1, 3, 5, 7]
comma corrections
  1. add comma after 'rang'
  2. remove comma before 'because'
  3. add comma after 'barks'
  4. remove comma before 'when'
Hints
  1. Front = comma. Back = no comma.
  2. If the sentence STARTS with WHEN/BECAUSE/ALTHOUGH, find the end of that clause and place the comma there.
Misconceptions to watch
  • Treats every comma as correct just because it's there.
  • Adds comma after the back-position subordinate clause.
Used in lessons