S-V agreement Sing-Plural subjects review

Pay attention to the compound subject (whether is S or PL). Choose the correct form of the verb that agrees with the subject.

Acids and bases (is, are) interesting.

• is

• are

Pay attention to the compound subject (whether is S or PL). Choose the correct form of the verb that agrees with the subject.

Red litmus paper and blue litmus (is, are) used to show the presence of acids or bases.

• is

• are

Pay attention to the compound subject (whether is S or PL). Choose the correct form of the verb that agrees with the subject.

Some food and common household items (contains, contain) acids.

• contains

• contain

Pay attention to the compound subject (whether is S or PL). Choose the correct form of the verb that agrees with the subject.

(Does, Do) macaroni and cheese contain acids?

• Does

• Do

Pay attention to the compound subject (whether is S or PL). Choose the correct form of the verb that agrees with the subject.

Citrus fruit and vinegar (makes, make) good test items.

• make

• makes

Pay attention to the compound subject (whether is S or PL). Choose the correct form of the verb that agrees with the subject.

Either a lemon or a lime (is, are) easy to test.

• is

• are

Pay attention to the compound subject (whether is S or PL). Choose the correct form of the verb that agrees with the subject.

Lemon juice and other acids (turns, turn) blue litmus paper red.

• turns

• turn

Pay attention to the compound subject (whether is S or PL). Choose the correct form of the verb that agrees with the subject.

Vinegar and lemon juice (contains, contain) acids.

• contains

• contain

Pay attention to the compound subject (whether is S or PL). Choose the correct form of the verb that agrees with the subject.

Neither lemons nor limes (is, are) bases.

• is

• are

Pay attention to the compound subject (whether is S or PL). Choose the correct form of the verb that agrees with the subject.

Acids and bases (combines, combine) to make salts.

• combine

• combines