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Unit 1: 1: Expression of the predicate structure of sentences in the simple present tense;
2: The method of transforming a sentence in the simple present tense from an affirmative sentence to a general interrogative sentence and a negative sentence.
Unit 2: 1: Basic use of the "there be" sentence pattern:
2: Basic use of prepositions.
Unit 3: 1: The basic use of the article a an the;
2: Cases where articles are not used.
Unit 4: Types and Use of Sentences.
Unit 5: 1: Definition and predicate structure expression of present continuous tense;
2: The basic rules of formation of present participles;
3: The basic method of transforming a sentence from a positive sentence in the present continuous tense to a general interrogative sentence and a negative sentence.
Unit 6: 1: Use of the present continuous tense;
2: Predicate structure expressions of different kinds of sentences in the present continuous tense.
Unit 7: Types and Use of Verbs.
Unit 8: 1: Formation and use of plural forms of countable nouns;
2: The use of uncountable nouns and the expression of quantity.
Unit 9: 1: Application of the Simple Past Tense;
2: Predicate expression in the simple past tense;
3: The basic rules of formation of verbs in the past tense.
Unit 10: 1: How to determine whether a sentence uses the past tense or not;
2: Predicate structure expressions of different kinds of sentences in the simple present tense.
Unit 11: 1: Review the use of different tenses and sentence predicate structures;
2: Master the format of the letters.
Unit 12: 1: Basic use of imperative sentences;
2: Review the use of modal verbs.
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is your pen pal from?/where does your pen pal come from?
heis from ..he comes from ..Concentrate; The pronoun can be replaced).
language doso he speak?
he speaks english.
3 where does he live?
he lives in london.
Words that correctly use singular and plural forms and languages that express words of people from various countries.
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It is recommended that you buy Meng Jianping's series of books, or [Quanpinxue Practice] and other materials, english This thing, is not in a hurry, according to the review materials unit by unit review, especially words and various phrases, you will succeed! believe in yourself !
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Learn the focus on the law, or find the focus in the green.
The original title is like this:
x-2y+z)(x+y-2z) (y-x)(z-x). >>>More
Go to the Internet to search for them, a lot of translations!
If you have time to type, you go to the "library" to see, there are a few articles that are very well organized, the number of words here is limited, no matter how you write, it is not detailed.
Replace * to the 2nd power.
Common; (a+b)*=a*+2ab*+b*:(a-b)*=a*-2ab*+b* >>>More
It's best to send the original question up.