[ Modals of Advice ]
A: My clothes are dirty.
B: You…
A. You should to clean your clothes.
B. You should clean your clothes.
C. You should cleaning your clothes.

Random Topics:
Passive and Active VoiceGrammar - Present and Past PassiveConjunctivesModalsTOEIC GrammarModals and Adjectives (ed-ing)would should could-ing form and the to-infinitiveCompound AdjectivesConjunctions, Interjections and Sentence TypeOther quiz:
Grammar › ViewBefore I (meet) you I (hear) about you.
A. met, heard
B. meet, had heard
C. met, had heard
D. had met, heard
Vocabulary and Grammar › View
The daylight hours GROW every day.
Grow is…
A. Simple Subject
Noun
B. Simple Predicate
Verb
They (buy) ……………. that house last year.
A. buys
B. buy
C. bought
D. are buying
Mixed General Quiz › View
Compulsory education in many countries continues to the twelfth ___.
a. glade
b. grade