[ Grammar Clauses ]
There could be a problem.
A. Phrase
B. Clause

Random Topics:
Present & Past TensesGerund and To InfinitiveSecond and Third ConditionalModals and Modal PerfectsAdverb ClausePresent Progressive TenseWas and WereModals of DeductionPast Tense, Recount Text, and Future TenseSimple Present & Present ProgressiveOther quiz:
Grammar › ViewMy wife _______________________ 15 km in the morning, so she doesn’t want to move now.
A. ran
B. run
C. has run
Grammar › View
Determine the part of speech of the word ‘interesting’ in the sentence: The book was very interesting to read.
A. adverb
B. noun
C. adjective
D. verb
Grammar › ViewIn the UK, the streets are generally ____________ (narrow) than in the USA.
A. more narrow than
B. narrower than
Types of Sentences › View
When I had made an opening sufficient for my head, I put in a dark lantern.
What type of sentence is this?
A. Simple
B. Compound
C. Complex