Punctuation practice: subordinate clauses

Thanks Antonio. We've discussed this and sorry to say, we disagree. We've kept it because it works as a comparative subordinate clause. Hope you still find it useful.

<i>I like ice cream but I prefer crisps</I> is a compound sentence, with no subordinate clause.

I cut up the clauses and place in envelopes.
Students create sentences - mix and match.
Begin with main clauses.
Begin with subordinate clauses. Need to use comma.