Gerund and infinitive with to

In which way can the verb "allow" be used? There is always some confusion và apparently it"s often intuitively used wrongly. Which size corresponds to correct English, eventually depending on context (see below)?

1: allow + to + infinitive: It allows khổng lồ vị something.

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2: allow + verb+ -ing: It allows doing something.

3: allow + pronoun + khổng lồ + infinitive: It allows me lớn bởi vì something.

4: allow + pronoun + verb+ -ing: It allows me doing something.

5: allow + noun: It allows something,

6: allow + noun + verb: It allows something lớn be done.

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edited Apr 9 at 19:14

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This question has previously been asked & answered on ELU. To summarise, there are three different syntactic constructions for the verb allow...

1: With a gerund complement indicating what is allowed:Mama don"t allow no drumming (non-standard English for Mama doesn"t allow drumming)Nor does she allow smoking reefers (perfectly valid example of a gerund complement)

This construction does not normally accept a patient/object (the person/thing being allowed lớn do something). You sometimes see things like "She doesn"t allow JJ Cale smoking reefers", but most native sầu speakers bởi not lượt thích that much (it should be "She does not allow JJ Cale khổng lồ smoke reefers", per #3 below).

2: With a noun phrase object indicating what is allowed:Some states vì not allow abortionThis school allows the use of computers during exams

3: With a noun phrase patient/object and an infinitive sầu complement (what they"re being allowed to lớn do):He won"t allow me to leaveSome states allow automatic weapons to lớn be kept at home

It is worth noting that last example, showing that the "patient" direct object (who/what is being allowed khổng lồ vì chưng something) doesn"t need khổng lồ be a person (in this case, it"s automatic weapons).

It"s also worth noting that you may see things lượt thích "The máy tính bảng ipad allows to lớn surf the Internet on the move", with no "patient" object. These are not considered grammatical (they"re usually from non-native sầu speakers).

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(In case it is not obvious from the above sầu, OP"s #1 is ungrammatical. All the others are fine.)

I cannot find any specific questions about the closely-related verb let on either or ELU, but I"ll just make one final point here. Be aware that syntactically, let doesn"t work exactly the same as allow.