Unit 19　Modern agriculture

step ⅳ.test
t:now let's have a quiz.please look at the screen and do the exercise on it.
choose the right answers:
1.does__________matter if he can't finish the job on time?
a.this         b.that
c.he          d.it
2.it was not__________she took off her dark glasses__________i realized she was a famous film star.
a.when;that        b.until;that
c.until;when        d.when;then
3.tom's mother kept telling him that he should work harder,but__________didn't help.
a.he          b.which
c.she         d.it
4.__________is a fact that english is being accepted as an international language.
a.there         b.this
c.that         d.it
5.it was about 600 years ago__________the first clock with a face and an hour hand was made.
a.that         b.until
c.before         d.when
6.was__________that i saw last night at the concert?
a.it you         b.not you
c.your         d.that yourself
7.__________was in 1979__________i graduated from the university.
a.that;that        b.it;that
c.that;when        d.it;when
suggested answers:
1.d　2.b　3.d　4.d　5.a　6.a　7.b
step ⅴ.summary and homework
t:in this class,we've gone over the use of “it”.can you remember it?let's recall it together.“it” can be used as a personal pronoun…(the design of the writing on the blackboard.)there are some useful sentence patterns.they are….after class,make sentences with them.next class,i'll call some students to say their sentences to us.that's all for today.class is over.
step ⅵ.the design of the writing on the blackboard
grammar:the use of “it”
the fifth period
1.the personal“it”:applied to a thing or an animal mentioned
2.the impersonal“it”:referring to time,weather,distance,the state of things in general
3.the demonstrative“it”:pointing to a person or a thing or the thing spoken of;
4.the expletive“it”:a:a formal subject or a formal object;
b:the emphatic“it”:it is…that(who)…
some useful sentence patterns: