有些谓语动词必须和主语在人称和数上保持一致，特别是动词为现在时态时。在一般现在时中，若主语为第三人称单数，多数动词都要加-s或-es，如：He comes.Mary cries。如果主语不是第三人称单数，就不需加这样的词尾，如：I come.
He(or She，It，My friend)comes(or sees，goes).
He(or She，It，My friend)is waiting，has come，does go，(is，has，does作助动词) is kind，has a funny face，doesnothing at all.(is，has，does作主要动词)
I(or we，You，They，My friends)come(or see，go).
I am waiting，have come，do go.We(or You，They，Myfriends)are waiting，have come，do go.(am，are，have，do作助动词)
I am sorry.They are kind，have funny faces，do nothingat all.(am，are，have，do作主要动词)
任何主语+must(or can，may，ought to，need not，darenot)come(or see，go).
He was ill.I was ill.They were ill.
They(or John and Mary) will come，shall come.
He(or It) will come，shall come.
The students，as well as the teacher，are(or is?)in the class-room.(在决定用are还是is以前，首先得决定students和teacher哪是主语，还是两者都是主语。)
My guide is(or are?) the stars.(是guide还是stars是真正的主语?)
Billiards(单数还是复数?) is(or are?)my favorite game.
The phenomena(单数还是复数?) is(or are?) unbelievable.
The headquarters(单数还是复数?) is(or are?)in London.
Who are they?
Which does she like best?
Has your wife come back from Paris?
Are the guests celebrating her birthday?
If you are not satisfied，nor is Peter.
Never in my life have I forgot her.Nobody else can I love.
Hardly has Liz woken up when the sun rises.
“I feel bored.”“So is evrybody.”
There come many children.
Before the house stands a tree.
Before the house stand a tree and a bench(two things).
In the house there is a cat，(there is)a dog，and(thereare)three birds.(后面的there is，there are多省略，在acat前用is是对的。)
To Dick fall the duties of maintaining the family.
After Jan comes Nora.
Here's all the coins I have.(在口语中here's和there's和where's后可跟一复数名词)
There's three friends waiting for me.
Where's the kids that stole the apples?
Gone are all my happy days!
Waiting for the results are thousands of people.Gathered under the roof were all the big shots.
John and Mary(=Two persons)are coming.
(但：John is coming and Mary is coming，too.)
My money and my friend are both gone.
Good coffee and bad are different from each other.
He and I (=We)are friends.
Both you and he(=Both of you)are ill.
Every boy and every girl is playing.
Any relative，any friend and any neighbour is ready to helphim.
Each grown-up and each child likes it.
No city，no village，no mountain，(and) no sea is a place ofsafety.
Many a man and many a woman has seen the accident.
A general and a statesman(two persons)were killed.
His home and his office are very far from my home.
A black and a white dog are playing in the yard.
English and French grammar are different.
Sweet and sour pork is delicious.
The situation before the war and the situation after are differ-ent.
What he said and what he thought were the same.
A general and statesman(one person)was killed.
His home and office(one place)is very far from my house.
A black and white dog(one dog) is playing.
What he said and thought was for others.
Bread and butter is enough for me.
Whisky and soda is his favourite.
Duck and peas is delicious，but eggs and bacon is better.
That cup and saucer is broken.
The wheel and axle is out of repair.
A needle and thread is all my grandmother needs.
Romeo and Juliet is a tragedy.
The use and object of this are(or is)simple.
The stitching and binding of books are(or is)a hard job.
His courage and endurance are(or is)Great.
Sym pathy and understanding are(or is)required.
Trial and error(通常看作一个概念)is the best way tolearn.
All work and no play makes Jack a dull boy.
The ebb and flow of one's fortune is a matter of course.
Mary，and her parents too(or also，likewise，as well)，isfond of John.(=Mary is fond of John，and her parents arefond of John，too.)
Mary，and perhaps(or particularly，even，certainly)herparents，is fond of John.(and+副词+名词)
Mary，but not her parents，is fond of John.
Mary's parents，but not Mary herself，are fond of John.(在跟有not时，可以用but代替and。)
Thirteen is an unlucky number.
Two and two make(or makes)four.
Eight plus five equals thirteen.(书面体)
Three fives are(or is)fifteen.(口语体)
Three times five are(or is)fifteen.
What are(or is)twice seven?
40 multiplied by 58 equals 2320.(书面体)
Five from nine(or Nine take away five)is(or leaves)four.(口语体)
Six hundred and one minus forty equals five hundred and six-ty-one.(书面体)
Three into twelve goes four.(口语体)
Two hundred fifty divided by fifty equals five.(书面体)如果数词表示复数的人或东西，动词也用复数形式：
Five(=Five Persons)were killed.
One and a half…为复数，而half a…为单数：
One and a half dollars were spent on sugar，and half a dollarwas Spent on flour.
A fine and/or imprisonment is(or are)not enough.
如果两个主语由or或nor连接，动词与最靠近的主语一致：Either you or I am right.
Neither Alice nor her parents like Mike.
One or two words are enough.(但是A word or two is e-nough.)
There is one or two examples.
Wang or rather his brothers decide the matter.
但：Life or(=and)death are nothing to me.
Whether John or Mary are willing to help me is still a problem.
两个主语若由not only…but also…连接起来，动词和最近的主语一致：
Not only my house，but many other houses have been white-washed.
(但最好说：Not only my house has been whitewashed，butmany other houses，too.)
Not only Mary's parents，but also Mary herself likes Mike.
There is not only Mary，but also Mary's parents.
Two girls，besides(介词)Mary，are studying Malay.