1.When the sentence begins with the adverb here, there and the subject is a noun, it should be completely inverted.
here comes the bus !
there goes the bell. !
2.When only modifying the time, place, method, etc., the adverbial should be partially inverted.
only in this way can we solve the problem.
only when you told me did i know her name.
Note: If only modifies not an adverbial, the sentence is not inverted.
only uncle li knows how it happened.
3.When it is indicated that the latter is also applicable to the statement of the former, it is necessary to use "so + auxiliary verb modal verb + latter" inverted, and the previous sentence is negative, and the latter person is not very good, and "neither nor + auxiliary verb modal verb + sb" is used inverted.
he can speak english，so can i.
if she doesn’t go there tomorrow，neither / nor will i.
Note. 1) "so + auxiliary verb modal verb + subject" indicates that the subject of the former is the same as the subject of the latter, talking about two people, meaning "......It is also so";
2) "so + subject + auxiliary verb modal verb" indicates that the former and the latter refer to the same person, and the speaker agrees with the former's point of view, which means "it is so".
li lei likes sports.
so he does and so do i.
4....... by not onlybut also……If not only is placed at the beginning of the sentence, the clause should be partially inverted, but the clause guided by also should not be inverted.
not only did he give me some advice，but also he lent me some money.
5."no matter + interrogative word + clause" or "interrogative word + ever + clause".
Note: The clause should be in the declarative sentence order, and the tense should be in the simple present tense.
however hard the problem is，i must work it out.
no matter what happened, he would not mind。