What's the plural?

http://www.manythings.org/fq/1/8990.html

Which ones are plural ?

http://www.clta.on.ca/EAOnline/GrammarCentral/number.html

"To have" negative

http://www.clta.on.ca/EAOnline/GrammarCentral/verbnegative.html

Verb "to have"

http://www.clta.on.ca/EAOnline/GrammarCentral/verbtohave.html

Plural nouns

http://www.clta.on.ca/EAOnline/FlashedESL/fe-pluralnoun2.html

Plural

http://www.clta.on.ca/EAOnline/FlashedESL/fe-pluralnoun.html

Present Simple Negative Verbs

http://a4esl.org/q/h/lb/psnv.html

Present Simple

http://a4esl.org/q/h/lb/psv.html

Can and Can't

http://www.geocities.com/pccprep/can-cant.htm

Have - negative

http://www.geocities.com/pccprep/haveneg.htm

Have or has?

http://www.geocities.com/pccprep/havehas.htm